[PATCH 7/8] staging: comedi: propogate error code fromcomedi_alloc_subdevices
From: H Hartley Sweeten
Date: Tue Jun 12 2012 - 14:22:30 EST
comedi_alloc_subdevices can fail with -EINVAL or -ENOMEM. When it
does fail make sure to pass the proper error code back.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbott@xxxxxxxxx>
Cc: Frank Mori Hess <fmhess@xxxxxxxxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/8255.c | 2 +-
drivers/staging/comedi/drivers/acl7225b.c | 6 ++++--
.../staging/comedi/drivers/addi-data/addi_common.c | 2 +-
.../comedi/drivers/addi-data/hwdrv_APCI1710.c | 2 +-
drivers/staging/comedi/drivers/adl_pci6208.c | 5 +++--
drivers/staging/comedi/drivers/adl_pci7230.c | 6 ++++--
drivers/staging/comedi/drivers/adl_pci7296.c | 5 +++--
drivers/staging/comedi/drivers/adl_pci7432.c | 6 ++++--
drivers/staging/comedi/drivers/adl_pci8164.c | 6 ++++--
drivers/staging/comedi/drivers/adl_pci9111.c | 2 +-
drivers/staging/comedi/drivers/adl_pci9118.c | 2 +-
drivers/staging/comedi/drivers/adq12b.c | 6 ++++--
drivers/staging/comedi/drivers/adv_pci1710.c | 2 +-
drivers/staging/comedi/drivers/adv_pci1723.c | 2 +-
drivers/staging/comedi/drivers/adv_pci_dio.c | 2 +-
drivers/staging/comedi/drivers/aio_aio12_8.c | 6 ++++--
drivers/staging/comedi/drivers/aio_iiro_16.c | 6 ++++--
drivers/staging/comedi/drivers/amplc_dio200.c | 4 +++-
drivers/staging/comedi/drivers/amplc_pc236.c | 2 +-
drivers/staging/comedi/drivers/amplc_pc263.c | 2 +-
drivers/staging/comedi/drivers/amplc_pci224.c | 2 +-
drivers/staging/comedi/drivers/amplc_pci230.c | 6 ++++--
drivers/staging/comedi/drivers/c6xdigio.c | 2 +-
drivers/staging/comedi/drivers/cb_das16_cs.c | 5 +++--
drivers/staging/comedi/drivers/cb_pcidas.c | 6 ++++--
drivers/staging/comedi/drivers/cb_pcidas64.c | 6 ++++--
drivers/staging/comedi/drivers/cb_pcidda.c | 7 ++++---
drivers/staging/comedi/drivers/cb_pcidio.c | 6 ++++--
drivers/staging/comedi/drivers/cb_pcimdas.c | 6 ++++--
drivers/staging/comedi/drivers/cb_pcimdda.c | 5 +++--
drivers/staging/comedi/drivers/comedi_bond.c | 6 ++++--
drivers/staging/comedi/drivers/comedi_parport.c | 3 ++-
drivers/staging/comedi/drivers/comedi_test.c | 6 ++++--
drivers/staging/comedi/drivers/contec_pci_dio.c | 6 ++++--
drivers/staging/comedi/drivers/daqboard2000.c | 4 ++--
drivers/staging/comedi/drivers/das08.c | 2 +-
drivers/staging/comedi/drivers/das16.c | 2 +-
drivers/staging/comedi/drivers/das16m1.c | 2 +-
drivers/staging/comedi/drivers/das1800.c | 5 +++--
drivers/staging/comedi/drivers/das6402.c | 2 +-
drivers/staging/comedi/drivers/das800.c | 6 ++++--
drivers/staging/comedi/drivers/dmm32at.c | 5 +++--
drivers/staging/comedi/drivers/dt2801.c | 8 +++-----
drivers/staging/comedi/drivers/dt2811.c | 2 +-
drivers/staging/comedi/drivers/dt2814.c | 2 +-
drivers/staging/comedi/drivers/dt2815.c | 7 +++++--
drivers/staging/comedi/drivers/dt2817.c | 2 +-
drivers/staging/comedi/drivers/dt282x.c | 2 +-
drivers/staging/comedi/drivers/dt3000.c | 2 +-
drivers/staging/comedi/drivers/dt9812.c | 6 ++++--
drivers/staging/comedi/drivers/dyna_pci10xx.c | 6 ++++--
drivers/staging/comedi/drivers/fl512.c | 6 ++++--
drivers/staging/comedi/drivers/gsc_hpdi.c | 6 ++++--
drivers/staging/comedi/drivers/icp_multi.c | 2 +-
drivers/staging/comedi/drivers/ii_pci20kc.c | 2 +-
drivers/staging/comedi/drivers/jr3_pci.c | 4 ++--
drivers/staging/comedi/drivers/ke_counter.c | 2 +-
drivers/staging/comedi/drivers/me4000.c | 5 +++--
drivers/staging/comedi/drivers/me_daq.c | 3 +--
drivers/staging/comedi/drivers/mpc624.c | 6 ++++--
drivers/staging/comedi/drivers/mpc8260cpm.c | 6 ++++--
drivers/staging/comedi/drivers/multiq3.c | 3 ++-
drivers/staging/comedi/drivers/ni_6527.c | 2 +-
drivers/staging/comedi/drivers/ni_65xx.c | 2 +-
drivers/staging/comedi/drivers/ni_660x.c | 5 +++--
drivers/staging/comedi/drivers/ni_670x.c | 5 +++--
drivers/staging/comedi/drivers/ni_at_a2150.c | 6 ++++--
drivers/staging/comedi/drivers/ni_at_ao.c | 6 ++++--
drivers/staging/comedi/drivers/ni_atmio16d.c | 2 +-
drivers/staging/comedi/drivers/ni_daq_700.c | 6 ++++--
drivers/staging/comedi/drivers/ni_daq_dio24.c | 6 ++++--
drivers/staging/comedi/drivers/ni_labpc.c | 6 ++++--
drivers/staging/comedi/drivers/ni_mio_common.c | 6 ++++--
drivers/staging/comedi/drivers/ni_pcidio.c | 2 +-
drivers/staging/comedi/drivers/pcl711.c | 2 +-
drivers/staging/comedi/drivers/pcl724.c | 2 +-
drivers/staging/comedi/drivers/pcl725.c | 6 ++++--
drivers/staging/comedi/drivers/pcl726.c | 2 +-
drivers/staging/comedi/drivers/pcl730.c | 6 ++++--
drivers/staging/comedi/drivers/pcl812.c | 2 +-
drivers/staging/comedi/drivers/pcl816.c | 2 +-
drivers/staging/comedi/drivers/pcl818.c | 2 +-
drivers/staging/comedi/drivers/pcm3724.c | 2 +-
drivers/staging/comedi/drivers/pcm3730.c | 6 ++++--
drivers/staging/comedi/drivers/pcmad.c | 2 +-
drivers/staging/comedi/drivers/pcmda12.c | 6 ++++--
drivers/staging/comedi/drivers/pcmmio.c | 6 ++++--
drivers/staging/comedi/drivers/pcmuio.c | 6 ++++--
drivers/staging/comedi/drivers/poc.c | 7 +++++--
drivers/staging/comedi/drivers/quatech_daqp_cs.c | 2 +-
drivers/staging/comedi/drivers/rtd520.c | 6 +++---
drivers/staging/comedi/drivers/rti800.c | 2 +-
drivers/staging/comedi/drivers/rti802.c | 9 ++++++---
drivers/staging/comedi/drivers/s526.c | 6 ++++--
drivers/staging/comedi/drivers/s626.c | 5 +++--
drivers/staging/comedi/drivers/serial2002.c | 6 ++++--
drivers/staging/comedi/drivers/skel.c | 6 ++++--
drivers/staging/comedi/drivers/ssv_dnp.c | 6 ++++--
drivers/staging/comedi/drivers/unioxx5.c | 6 ++++--
drivers/staging/comedi/drivers/usbdux.c | 2 +-
drivers/staging/comedi/drivers/usbduxfast.c | 2 +-
drivers/staging/comedi/drivers/usbduxsigma.c | 2 +-
drivers/staging/comedi/drivers/vmk80xx.c | 6 ++++--
103 files changed, 269 insertions(+), 168 deletions(-)
diff --git a/drivers/staging/comedi/drivers/8255.c b/drivers/staging/comedi/drivers/8255.c
index 64b0054..502bde8 100644
--- a/drivers/staging/comedi/drivers/8255.c
+++ b/drivers/staging/comedi/drivers/8255.c
@@ -389,7 +389,7 @@ static int dev_8255_attach(struct comedi_device *dev,
}
ret = comedi_alloc_subdevices(dev, i);
- if (ret < 0)
+ if (ret)
return ret;
printk(KERN_INFO "comedi%d: 8255:", dev->minor);
diff --git a/drivers/staging/comedi/drivers/acl7225b.c b/drivers/staging/comedi/drivers/acl7225b.c
index 3c39148..0bf5525 100644
--- a/drivers/staging/comedi/drivers/acl7225b.c
+++ b/drivers/staging/comedi/drivers/acl7225b.c
@@ -68,6 +68,7 @@ static int acl7225b_attach(struct comedi_device *dev,
const struct boardtype *board = comedi_board(dev);
struct comedi_subdevice *s;
int iobase, iorange;
+ int ret;
iobase = it->options[0];
iorange = board->io_range;
@@ -82,8 +83,9 @@ static int acl7225b_attach(struct comedi_device *dev,
dev->iobase = iobase;
dev->irq = 0;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* Relays outputs */
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c b/drivers/staging/comedi/drivers/addi-data/addi_common.c
index 46c590b..a5aa673 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c
@@ -1688,7 +1688,7 @@ static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it)
} else {
n_subdevices = 7;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
/* Allocate and Initialise AI Subdevice Structures */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c
index aa390b0..595238f 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c
@@ -63,7 +63,7 @@ void i_ADDI_AttachPCI1710(struct comedi_device *dev)
int n_subdevices = 9;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return;
/* Allocate and Initialise Timer Subdevice Structures */
diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c b/drivers/staging/comedi/drivers/adl_pci6208.c
index 7d26d45..98b3730 100644
--- a/drivers/staging/comedi/drivers/adl_pci6208.c
+++ b/drivers/staging/comedi/drivers/adl_pci6208.c
@@ -301,8 +301,9 @@ static int pci6208_attach(struct comedi_device *dev,
dev->iobase = io_base;
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ retval = comedi_alloc_subdevices(dev, 2);
+ if (retval)
+ return retval;
s = dev->subdevices + 0;
/* analog output subdevice */
diff --git a/drivers/staging/comedi/drivers/adl_pci7230.c b/drivers/staging/comedi/drivers/adl_pci7230.c
index 5a6e6c1..62fdf7f 100644
--- a/drivers/staging/comedi/drivers/adl_pci7230.c
+++ b/drivers/staging/comedi/drivers/adl_pci7230.c
@@ -108,6 +108,7 @@ static int adl_pci7230_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
+ int ret;
printk(KERN_INFO "comedi%d: adl_pci7230\n", dev->minor);
@@ -116,8 +117,9 @@ static int adl_pci7230_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct adl_pci7230_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
devpriv->pci_dev = adl_pci7230_find_pci(dev, it);
if (!devpriv->pci_dev)
diff --git a/drivers/staging/comedi/drivers/adl_pci7296.c b/drivers/staging/comedi/drivers/adl_pci7296.c
index fd9b33a..58deb60 100644
--- a/drivers/staging/comedi/drivers/adl_pci7296.c
+++ b/drivers/staging/comedi/drivers/adl_pci7296.c
@@ -92,8 +92,9 @@ static int adl_pci7296_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct adl_pci7296_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
devpriv->pci_dev = adl_pci7296_find_pci(dev, it);
if (!devpriv->pci_dev)
diff --git a/drivers/staging/comedi/drivers/adl_pci7432.c b/drivers/staging/comedi/drivers/adl_pci7432.c
index 4976a70..aabf418 100644
--- a/drivers/staging/comedi/drivers/adl_pci7432.c
+++ b/drivers/staging/comedi/drivers/adl_pci7432.c
@@ -117,6 +117,7 @@ static int adl_pci7432_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
+ int ret;
printk(KERN_INFO "comedi%d: attach adl_pci7432\n", dev->minor);
@@ -125,8 +126,9 @@ static int adl_pci7432_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct adl_pci7432_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
devpriv->pci_dev = adl_pci7432_find_pci(dev, it);
if (!devpriv->pci_dev)
diff --git a/drivers/staging/comedi/drivers/adl_pci8164.c b/drivers/staging/comedi/drivers/adl_pci8164.c
index 78169f7..1811375 100644
--- a/drivers/staging/comedi/drivers/adl_pci8164.c
+++ b/drivers/staging/comedi/drivers/adl_pci8164.c
@@ -252,6 +252,7 @@ static int adl_pci8164_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
+ int ret;
printk(KERN_INFO "comedi: attempt to attach...\n");
printk(KERN_INFO "comedi%d: adl_pci8164\n", dev->minor);
@@ -261,8 +262,9 @@ static int adl_pci8164_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct adl_pci8164_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
devpriv->pci_dev = adl_pci8164_find_pci(dev, it);
if (!devpriv->pci_dev)
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c
index cc17946..4f2cea8 100644
--- a/drivers/staging/comedi/drivers/adl_pci9111.c
+++ b/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -1318,7 +1318,7 @@ static int pci9111_attach(struct comedi_device *dev,
/* TODO: Add external multiplexer setup (according to option[2]). */
error = comedi_alloc_subdevices(dev, 4);
- if (error < 0)
+ if (error)
return error;
subdevice = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index 5099841..e1958e3 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -2269,7 +2269,7 @@ static int pci9118_attach(struct comedi_device *dev,
/* Enable parity check for parity error */
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/adq12b.c b/drivers/staging/comedi/drivers/adq12b.c
index afc6815..f7bb145 100644
--- a/drivers/staging/comedi/drivers/adq12b.c
+++ b/drivers/staging/comedi/drivers/adq12b.c
@@ -224,6 +224,7 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
unsigned long iobase;
int unipolar, differential;
+ int ret;
iobase = it->options[0];
unipolar = it->options[1];
@@ -267,8 +268,9 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
devpriv->last_channel = -1;
devpriv->last_range = -1;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* analog input subdevice */
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index be3fc4d..60a50ad 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -1434,7 +1434,7 @@ static int pci1710_attach(struct comedi_device *dev,
n_subdevices++;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
pci1710_reset(dev);
diff --git a/drivers/staging/comedi/drivers/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c
index c14ad35..d37c14d 100644
--- a/drivers/staging/comedi/drivers/adv_pci1723.c
+++ b/drivers/staging/comedi/drivers/adv_pci1723.c
@@ -366,7 +366,7 @@ static int pci1723_attach(struct comedi_device *dev,
n_subdevices++;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
pci1723_reset(dev);
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c
index 0fc4f85..942dc77 100644
--- a/drivers/staging/comedi/drivers/adv_pci_dio.c
+++ b/drivers/staging/comedi/drivers/adv_pci_dio.c
@@ -1157,7 +1157,7 @@ static int pci_dio_attach(struct comedi_device *dev,
}
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
subdev = 0;
diff --git a/drivers/staging/comedi/drivers/aio_aio12_8.c b/drivers/staging/comedi/drivers/aio_aio12_8.c
index 60466c8..f7d453f 100644
--- a/drivers/staging/comedi/drivers/aio_aio12_8.c
+++ b/drivers/staging/comedi/drivers/aio_aio12_8.c
@@ -168,6 +168,7 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
const struct aio12_8_boardtype *board = comedi_board(dev);
int iobase;
struct comedi_subdevice *s;
+ int ret;
iobase = it->options[0];
if (!request_region(iobase, 24, "aio_aio12_8")) {
@@ -182,8 +183,9 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct aio12_8_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_AI;
diff --git a/drivers/staging/comedi/drivers/aio_iiro_16.c b/drivers/staging/comedi/drivers/aio_iiro_16.c
index 7d161d6..8059cef 100644
--- a/drivers/staging/comedi/drivers/aio_iiro_16.c
+++ b/drivers/staging/comedi/drivers/aio_iiro_16.c
@@ -107,6 +107,7 @@ static int aio_iiro_16_attach(struct comedi_device *dev,
const struct aio_iiro_16_board *board = comedi_board(dev);
int iobase;
struct comedi_subdevice *s;
+ int ret;
printk(KERN_INFO "comedi%d: aio_iiro_16: ", dev->minor);
@@ -124,8 +125,9 @@ static int aio_iiro_16_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct aio_iiro_16_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
s->type = COMEDI_SUBD_DIO;
diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c
index 17d3489..c67b09f 100644
--- a/drivers/staging/comedi/drivers/amplc_dio200.c
+++ b/drivers/staging/comedi/drivers/amplc_dio200.c
@@ -1273,9 +1273,11 @@ static int dio200_common_attach(struct comedi_device *dev, unsigned long iobase,
devpriv->intr_sd = -1;
dev->iobase = iobase;
dev->board_name = thisboard->name;
+
ret = comedi_alloc_subdevices(dev, layout->n_subdevs);
- if (ret < 0)
+ if (ret)
return ret;
+
for (n = 0; n < dev->n_subdevices; n++) {
s = &dev->subdevices[n];
switch (layout->sdtype[n]) {
diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c
index 6205985..e55321e 100644
--- a/drivers/staging/comedi/drivers/amplc_pc236.c
+++ b/drivers/staging/comedi/drivers/amplc_pc236.c
@@ -456,7 +456,7 @@ static int pc236_common_attach(struct comedi_device *dev, unsigned long iobase,
dev->iobase = iobase;
ret = comedi_alloc_subdevices(dev, 2);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c
index f1d68df..4f15bfd 100644
--- a/drivers/staging/comedi/drivers/amplc_pc263.c
+++ b/drivers/staging/comedi/drivers/amplc_pc263.c
@@ -228,7 +228,7 @@ static int pc263_common_attach(struct comedi_device *dev, unsigned long iobase)
dev->iobase = iobase;
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index d6e0d01..600aeee 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -1383,7 +1383,7 @@ static int pci224_attach_common(struct comedi_device *dev,
dev->iobase + PCI224_DACCON);
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index c9d8d5b..9f7e115 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -2841,8 +2841,10 @@ static int pci230_attach_common(struct comedi_device *dev,
devpriv->pci_dev->irq);
}
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ rc = comedi_alloc_subdevices(dev, 3);
+ if (rc)
+ return rc;
+
s = dev->subdevices + 0;
/* analog input subdevice */
s->type = COMEDI_SUBD_AI;
diff --git a/drivers/staging/comedi/drivers/c6xdigio.c b/drivers/staging/comedi/drivers/c6xdigio.c
index 5fa344b..41ed857 100644
--- a/drivers/staging/comedi/drivers/c6xdigio.c
+++ b/drivers/staging/comedi/drivers/c6xdigio.c
@@ -434,7 +434,7 @@ static int c6xdigio_attach(struct comedi_device *dev,
dev->board_name = "c6xdigio";
result = comedi_alloc_subdevices(dev, 2);
- if (result < 0)
+ if (result)
return result;
/* Make sure that PnP ports get activated */
diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c
index 9aa11c1..0310077 100644
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ b/drivers/staging/comedi/drivers/cb_das16_cs.c
@@ -195,8 +195,9 @@ static int das16cs_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct das16cs_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
dev->read_subdev = s;
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index e1bd99a..2ca3fa0 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -533,6 +533,7 @@ static int cb_pcidas_attach(struct comedi_device *dev,
struct pci_dev *pcidev = NULL;
int index;
int i;
+ int ret;
/*
* Allocate the private structure area.
@@ -614,8 +615,9 @@ found:
/* Initialize dev->board_name */
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 7) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 7);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* analog input subdevice */
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 6b2f153..3aab75b 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -1344,9 +1344,11 @@ static int setup_subdevices(struct comedi_device *dev)
struct comedi_subdevice *s;
void __iomem *dio_8255_iobase;
int i;
+ int ret;
- if (comedi_alloc_subdevices(dev, 10) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 10);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* analog input subdevice */
diff --git a/drivers/staging/comedi/drivers/cb_pcidda.c b/drivers/staging/comedi/drivers/cb_pcidda.c
index fedaf55..0572dc6 100644
--- a/drivers/staging/comedi/drivers/cb_pcidda.c
+++ b/drivers/staging/comedi/drivers/cb_pcidda.c
@@ -265,7 +265,7 @@ static int cb_pcidda_attach(struct comedi_device *dev,
struct comedi_subdevice *s;
struct pci_dev *pcidev = NULL;
int index;
-
+ int ret;
/*
* Allocate the private structure area.
@@ -333,8 +333,9 @@ found:
*/
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* analog output subdevice */
diff --git a/drivers/staging/comedi/drivers/cb_pcidio.c b/drivers/staging/comedi/drivers/cb_pcidio.c
index f2fff4f..0186737 100644
--- a/drivers/staging/comedi/drivers/cb_pcidio.c
+++ b/drivers/staging/comedi/drivers/cb_pcidio.c
@@ -116,6 +116,7 @@ static int pcidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct pci_dev *pcidev = NULL;
int index;
int i;
+ int ret;
/*
* Allocate the private structure area. alloc_private() is a
@@ -177,8 +178,9 @@ found:
pci_resource_start(devpriv->pci_dev,
pcidio_boards[index].dioregs_badrindex);
- if (comedi_alloc_subdevices(dev, thisboard->n_8255) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, thisboard->n_8255);
+ if (ret)
+ return ret;
for (i = 0; i < thisboard->n_8255; i++) {
subdev_8255_init(dev, dev->subdevices + i,
diff --git a/drivers/staging/comedi/drivers/cb_pcimdas.c b/drivers/staging/comedi/drivers/cb_pcimdas.c
index 0ada8b9..b99a451b 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdas.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdas.c
@@ -187,6 +187,7 @@ static int cb_pcimdas_attach(struct comedi_device *dev,
struct comedi_subdevice *s;
struct pci_dev *pcidev = NULL;
int index;
+ int ret;
/* int i; */
/*
@@ -269,8 +270,9 @@ found:
/* Initialize dev->board_name */
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* dev->read_subdev=s; */
diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index b401aec..a801461 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -236,8 +236,9 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it)
*/
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ err = comedi_alloc_subdevices(dev, 2);
+ if (err)
+ return err;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index 96e5b35..0260ddc 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -336,6 +336,7 @@ static int bonding_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
+ int ret;
LOG_MSG("comedi%d\n", dev->minor);
@@ -358,8 +359,9 @@ static int bonding_attach(struct comedi_device *dev,
*/
dev->board_name = devpriv->name;
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
s->type = COMEDI_SUBD_DIO;
diff --git a/drivers/staging/comedi/drivers/comedi_parport.c b/drivers/staging/comedi/drivers/comedi_parport.c
index c9a725f..589d12f 100644
--- a/drivers/staging/comedi/drivers/comedi_parport.c
+++ b/drivers/staging/comedi/drivers/comedi_parport.c
@@ -316,8 +316,9 @@ static int parport_attach(struct comedi_device *dev,
dev->board_name = "parport";
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
+
ret = alloc_private(dev, sizeof(struct parport_private));
if (ret < 0)
return ret;
diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c
index 004da30..523a809 100644
--- a/drivers/staging/comedi/drivers/comedi_test.c
+++ b/drivers/staging/comedi/drivers/comedi_test.c
@@ -432,6 +432,7 @@ static int waveform_attach(struct comedi_device *dev,
int amplitude = it->options[0];
int period = it->options[1];
int i;
+ int ret;
dev->board_name = board->name;
@@ -447,8 +448,9 @@ static int waveform_attach(struct comedi_device *dev,
devpriv->uvolt_amplitude = amplitude;
devpriv->usec_period = period;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
dev->read_subdev = s;
diff --git a/drivers/staging/comedi/drivers/contec_pci_dio.c b/drivers/staging/comedi/drivers/contec_pci_dio.c
index a5bad1b..79854b1 100644
--- a/drivers/staging/comedi/drivers/contec_pci_dio.c
+++ b/drivers/staging/comedi/drivers/contec_pci_dio.c
@@ -107,6 +107,7 @@ static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct pci_dev *pcidev = NULL;
struct comedi_subdevice *s;
+ int ret;
printk("comedi%d: contec: ", dev->minor);
@@ -115,8 +116,9 @@ static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (alloc_private(dev, sizeof(struct contec_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
for_each_pci_dev(pcidev) {
if (pcidev->vendor == PCI_VENDOR_ID_CONTEC &&
diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c
index dbd0472..9ecf1a4 100644
--- a/drivers/staging/comedi/drivers/daqboard2000.c
+++ b/drivers/staging/comedi/drivers/daqboard2000.c
@@ -773,8 +773,8 @@ static int daqboard2000_attach(struct comedi_device *dev,
return -ENOMEM;
result = comedi_alloc_subdevices(dev, 3);
- if (result < 0)
- goto out;
+ if (result)
+ return result;
readl(devpriv->plx + 0x6c);
diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c
index 1dea21a..c4627a6 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -835,7 +835,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
dev->board_name = thisboard->name;
ret = comedi_alloc_subdevices(dev, 6);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c
index 6a8a7eb..0c6ad10 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -1265,7 +1265,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
devpriv->timer_mode = timer_mode ? 1 : 0;
ret = comedi_alloc_subdevices(dev, 5);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/das16m1.c b/drivers/staging/comedi/drivers/das16m1.c
index eafd6b5..f3fba13 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -647,7 +647,7 @@ static int das16m1_attach(struct comedi_device *dev,
}
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 12d736a..af60e5d5 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -1644,8 +1644,9 @@ static int das1800_attach(struct comedi_device *dev,
return -ENOMEM;
}
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ retval = comedi_alloc_subdevices(dev, 4);
+ if (retval)
+ return retval;
/* analog input subdevice */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/das6402.c b/drivers/staging/comedi/drivers/das6402.c
index 2039b6c..22a9b34 100644
--- a/drivers/staging/comedi/drivers/das6402.c
+++ b/drivers/staging/comedi/drivers/das6402.c
@@ -308,7 +308,7 @@ static int das6402_attach(struct comedi_device *dev,
return ret;
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0)
+ if (ret)
return ret;
/* ai subdevice */
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index 6263f53..81698b1 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -465,6 +465,7 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
unsigned int irq = it->options[1];
unsigned long irq_flags;
int board;
+ int ret;
dev_info(dev->hw_dev, "comedi%d: das800: io 0x%lx\n", dev->minor,
iobase);
@@ -510,8 +511,9 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
/* analog input subdevice */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c
index 6b637a2..2b60cf8 100644
--- a/drivers/staging/comedi/drivers/dmm32at.c
+++ b/drivers/staging/comedi/drivers/dmm32at.c
@@ -371,8 +371,9 @@ static int dmm32at_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct dmm32at_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
dev->read_subdev = s;
diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c
index 35ce076..5afbf8a 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -626,15 +626,15 @@ havetype:
printk("dt2801: %s at port 0x%lx", boardtype.name, iobase);
n_ai_chans = probe_number_of_ai_chans(dev);
- printk(" (ai channels = %d)", n_ai_chans);
+ printk(" (ai channels = %d)\n", n_ai_chans);
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
goto out;
ret = alloc_private(dev, sizeof(struct dt2801_private));
if (ret < 0)
- goto out;
+ return ret;
dev->board_name = boardtype.name;
@@ -688,8 +688,6 @@ havetype:
ret = 0;
out:
- printk("\n");
-
return ret;
}
diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c
index 6ff610d..91fbf4a 100644
--- a/drivers/staging/comedi/drivers/dt2811.c
+++ b/drivers/staging/comedi/drivers/dt2811.c
@@ -466,7 +466,7 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it)
#endif
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
ret = alloc_private(dev, sizeof(struct dt2811_private));
diff --git a/drivers/staging/comedi/drivers/dt2814.c b/drivers/staging/comedi/drivers/dt2814.c
index 876d5cb..2e39ebe 100644
--- a/drivers/staging/comedi/drivers/dt2814.c
+++ b/drivers/staging/comedi/drivers/dt2814.c
@@ -339,7 +339,7 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0)
+ if (ret)
return ret;
ret = alloc_private(dev, sizeof(struct dt2814_private));
diff --git a/drivers/staging/comedi/drivers/dt2815.c b/drivers/staging/comedi/drivers/dt2815.c
index 33ad1fa..45b20be 100644
--- a/drivers/staging/comedi/drivers/dt2815.c
+++ b/drivers/staging/comedi/drivers/dt2815.c
@@ -166,6 +166,7 @@ static int dt2815_attach(struct comedi_device *dev, struct comedi_devconfig *it)
int i;
const struct comedi_lrange *current_range_type, *voltage_range_type;
unsigned long iobase;
+ int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: dt2815: 0x%04lx ", dev->minor, iobase);
@@ -177,8 +178,10 @@ static int dt2815_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->iobase = iobase;
dev->board_name = "dt2815";
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
+
if (alloc_private(dev, sizeof(struct dt2815_private)) < 0)
return -ENOMEM;
diff --git a/drivers/staging/comedi/drivers/dt2817.c b/drivers/staging/comedi/drivers/dt2817.c
index 665db07..9282ca5 100644
--- a/drivers/staging/comedi/drivers/dt2817.c
+++ b/drivers/staging/comedi/drivers/dt2817.c
@@ -138,7 +138,7 @@ static int dt2817_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_name = "dt2817";
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c
index f11d1fd..9c0a0df 100644
--- a/drivers/staging/comedi/drivers/dt282x.c
+++ b/drivers/staging/comedi/drivers/dt282x.c
@@ -1269,7 +1269,7 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return ret;
ret = comedi_alloc_subdevices(dev, 3);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c
index 10415b2..9828fb1 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -883,7 +883,7 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->irq = devpriv->pci_dev->irq;
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices;
diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c
index 678fa50..40821c7 100644
--- a/drivers/staging/comedi/drivers/dt9812.c
+++ b/drivers/staging/comedi/drivers/dt9812.c
@@ -1021,6 +1021,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
int i;
struct comedi_subdevice *s;
+ int ret;
dev->board_name = "dt9812";
@@ -1035,8 +1036,9 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
devpriv->serial = it->options[0];
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
/* digital input subdevice */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/dyna_pci10xx.c b/drivers/staging/comedi/drivers/dyna_pci10xx.c
index bab2e37..9c855e2 100644
--- a/drivers/staging/comedi/drivers/dyna_pci10xx.c
+++ b/drivers/staging/comedi/drivers/dyna_pci10xx.c
@@ -246,6 +246,7 @@ static int dyna_pci10xx_attach(struct comedi_device *dev,
struct pci_dev *pcidev;
unsigned int opt_bus, opt_slot;
int board_index, i;
+ int ret;
mutex_lock(&start_stop_sem);
@@ -329,9 +330,10 @@ found:
devpriv->BADR4 = pci_resource_start(pcidev, 4);
devpriv->BADR5 = pci_resource_start(pcidev, 5);
- if (comedi_alloc_subdevices(dev, 4) < 0) {
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret) {
mutex_unlock(&start_stop_sem);
- return -ENOMEM;
+ return ret;
}
/* analog input */
diff --git a/drivers/staging/comedi/drivers/fl512.c b/drivers/staging/comedi/drivers/fl512.c
index 7218a9b..d1da809 100644
--- a/drivers/staging/comedi/drivers/fl512.c
+++ b/drivers/staging/comedi/drivers/fl512.c
@@ -111,6 +111,7 @@ static int fl512_ao_insn_readback(struct comedi_device *dev,
static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
unsigned long iobase;
+ int ret;
/* pointer to the subdevice: Analog in, Analog out,
(not made ->and Digital IO) */
@@ -131,8 +132,9 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
printk(KERN_DEBUG "malloc ok\n");
#endif
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
/*
* this if the definitions of the supdevices, 2 have been defined
diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c
index b103cfb..79f5808 100644
--- a/drivers/staging/comedi/drivers/gsc_hpdi.c
+++ b/drivers/staging/comedi/drivers/gsc_hpdi.c
@@ -430,9 +430,11 @@ static void init_plx9080(struct comedi_device *dev)
static int setup_subdevices(struct comedi_device *dev)
{
struct comedi_subdevice *s;
+ int ret;
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* analog input subdevice */
diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c
index 06c66af..544bed8 100644
--- a/drivers/staging/comedi/drivers/icp_multi.c
+++ b/drivers/staging/comedi/drivers/icp_multi.c
@@ -904,7 +904,7 @@ static int icp_multi_attach(struct comedi_device *dev,
n_subdevices++;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
icp_multi_reset(dev);
diff --git a/drivers/staging/comedi/drivers/ii_pci20kc.c b/drivers/staging/comedi/drivers/ii_pci20kc.c
index 9c11657..bea3d03 100644
--- a/drivers/staging/comedi/drivers/ii_pci20kc.c
+++ b/drivers/staging/comedi/drivers/ii_pci20kc.c
@@ -203,7 +203,7 @@ static int pci20xxx_attach(struct comedi_device *dev,
union pci20xxx_subdev_private *sdp;
ret = comedi_alloc_subdevices(dev, 1 + PCI20000_MODULES);
- if (ret < 0)
+ if (ret)
return ret;
ret = alloc_private(dev, sizeof(struct pci20xxx_private));
diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c
index 182643b..3c043e5 100644
--- a/drivers/staging/comedi/drivers/jr3_pci.c
+++ b/drivers/staging/comedi/drivers/jr3_pci.c
@@ -827,8 +827,8 @@ static int jr3_pci_attach(struct comedi_device *dev,
return -ENOMEM;
result = comedi_alloc_subdevices(dev, devpriv->n_channels);
- if (result < 0)
- goto out;
+ if (result)
+ return result;
dev->open = jr3_pci_open;
for (i = 0; i < devpriv->n_channels; i++) {
diff --git a/drivers/staging/comedi/drivers/ke_counter.c b/drivers/staging/comedi/drivers/ke_counter.c
index 7c256f4..019e91a 100644
--- a/drivers/staging/comedi/drivers/ke_counter.c
+++ b/drivers/staging/comedi/drivers/ke_counter.c
@@ -190,7 +190,7 @@ found:
dev->iobase = io_base;
error = comedi_alloc_subdevices(dev, 1);
- if (error < 0)
+ if (error)
return error;
subdevice = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 2ca8d8b..c8ee22d 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -2190,8 +2190,9 @@ static int me4000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (result)
return result;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ result = comedi_alloc_subdevices(dev, 4);
+ if (result)
+ return result;
/*=========================================================================
Analog input subdevice
diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c
index 231b294..ae3b046 100644
--- a/drivers/staging/comedi/drivers/me_daq.c
+++ b/drivers/staging/comedi/drivers/me_daq.c
@@ -761,9 +761,8 @@ found:
me_reset(dev);
- /* device driver capabilities */
error = comedi_alloc_subdevices(dev, 3);
- if (error < 0)
+ if (error)
return error;
subdevice = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c
index 9750336..b928b67 100644
--- a/drivers/staging/comedi/drivers/mpc624.c
+++ b/drivers/staging/comedi/drivers/mpc624.c
@@ -285,6 +285,7 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
unsigned long iobase;
+ int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase);
@@ -348,8 +349,9 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it)
devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz;
}
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
s->type = COMEDI_SUBD_AI;
diff --git a/drivers/staging/comedi/drivers/mpc8260cpm.c b/drivers/staging/comedi/drivers/mpc8260cpm.c
index 1311051..a6311b1 100644
--- a/drivers/staging/comedi/drivers/mpc8260cpm.c
+++ b/drivers/staging/comedi/drivers/mpc8260cpm.c
@@ -121,6 +121,7 @@ static int mpc8260cpm_attach(struct comedi_device *dev,
{
struct comedi_subdevice *s;
int i;
+ int ret;
printk("comedi%d: mpc8260cpm: ", dev->minor);
@@ -131,8 +132,9 @@ static int mpc8260cpm_attach(struct comedi_device *dev,
if (alloc_private(dev, sizeof(struct mpc8260cpm_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret =comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
for (i = 0; i < 4; i++) {
s = dev->subdevices + i;
diff --git a/drivers/staging/comedi/drivers/multiq3.c b/drivers/staging/comedi/drivers/multiq3.c
index 00d497c..b1bbd02 100644
--- a/drivers/staging/comedi/drivers/multiq3.c
+++ b/drivers/staging/comedi/drivers/multiq3.c
@@ -255,8 +255,9 @@ static int multiq3_attach(struct comedi_device *dev,
else
printk(KERN_WARNING "comedi%d: no irq\n", dev->minor);
dev->board_name = "multiq3";
+
result = comedi_alloc_subdevices(dev, 5);
- if (result < 0)
+ if (result)
return result;
result = alloc_private(dev, sizeof(struct multiq3_private));
diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 89fee6f..b60ab48 100644
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -398,7 +398,7 @@ static int ni6527_attach(struct comedi_device *dev, struct comedi_devconfig *it)
readb(devpriv->mite->daq_io_addr + ID_Register));
ret = comedi_alloc_subdevices(dev, 3);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
index a49dcea..ac7c74b 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -679,7 +679,7 @@ static int ni_65xx_attach(struct comedi_device *dev,
readb(private(dev)->mite->daq_io_addr + ID_Register));
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 8c6a6ba..5391a39 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -1093,8 +1093,9 @@ static int ni_660x_attach(struct comedi_device *dev,
printk(KERN_INFO " %s ", dev->board_name);
- if (comedi_alloc_subdevices(dev, 2 + NI_660X_MAX_NUM_COUNTERS) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2 + NI_660X_MAX_NUM_COUNTERS);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* Old GENERAL-PURPOSE COUNTER/TIME (GPCT) subdevice, no longer used */
diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c
index 45a03e6..5dffe6c 100644
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -202,8 +202,9 @@ static int ni_670x_attach(struct comedi_device *dev,
dev->irq = mite_irq(devpriv->mite);
printk(KERN_INFO " %s", dev->board_name);
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* analog output subdevice */
diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c b/drivers/staging/comedi/drivers/ni_at_a2150.c
index 9d1a0f7..b53a428 100644
--- a/drivers/staging/comedi/drivers/ni_at_a2150.c
+++ b/drivers/staging/comedi/drivers/ni_at_a2150.c
@@ -755,6 +755,7 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
unsigned int dma = it->options[2];
static const int timeout = 2000;
int i;
+ int ret;
printk("comedi%d: %s: io 0x%lx", dev->minor, dev->driver->driver_name,
iobase);
@@ -826,8 +827,9 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_ptr = a2150_boards + a2150_probe(dev);
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
/* analog input subdevice */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c b/drivers/staging/comedi/drivers/ni_at_ao.c
index 03a4d73..1c3f322 100644
--- a/drivers/staging/comedi/drivers/ni_at_ao.c
+++ b/drivers/staging/comedi/drivers/ni_at_ao.c
@@ -337,6 +337,7 @@ static int atao_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
unsigned long iobase;
int ao_unipolar;
+ int ret;
iobase = it->options[0];
if (iobase == 0)
@@ -356,8 +357,9 @@ static int atao_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (alloc_private(dev, sizeof(struct atao_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* analog output subdevice */
diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c b/drivers/staging/comedi/drivers/ni_atmio16d.c
index 37ff6fc..95bee84 100644
--- a/drivers/staging/comedi/drivers/ni_atmio16d.c
+++ b/drivers/staging/comedi/drivers/ni_atmio16d.c
@@ -710,7 +710,7 @@ static int atmio16d_attach(struct comedi_device *dev,
dev->board_name = board->name;
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
ret = alloc_private(dev, sizeof(struct atmio16d_private));
diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index 8860207..53b0173 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -364,6 +364,7 @@ static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)
unsigned int irq = 0;
#endif
struct pcmcia_device *link;
+ int ret;
/* allocate and initialize dev->private */
if (alloc_private(dev, sizeof(struct dio700_private)) < 0)
@@ -409,8 +410,9 @@ static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
/* DAQCard-700 dio */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/ni_daq_dio24.c b/drivers/staging/comedi/drivers/ni_daq_dio24.c
index 36c0c62..e27cae0 100644
--- a/drivers/staging/comedi/drivers/ni_daq_dio24.c
+++ b/drivers/staging/comedi/drivers/ni_daq_dio24.c
@@ -116,6 +116,7 @@ static int dio24_attach(struct comedi_device *dev, struct comedi_devconfig *it)
unsigned int irq = 0;
#endif
struct pcmcia_device *link;
+ int ret;
/* allocate and initialize dev->private */
if (alloc_private(dev, sizeof(struct dio24_private)) < 0)
@@ -158,8 +159,9 @@ static int dio24_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
/* 8255 dio */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 825b162..5816986 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -536,6 +536,7 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
unsigned long dma_flags;
#endif
short lsb, msb;
+ int ret;
printk(KERN_ERR "comedi%d: ni_labpc: %s, io 0x%lx", dev->minor,
thisboard->name,
@@ -622,8 +623,9 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 5) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 5);
+ if (ret)
+ return ret;
/* analog input subdevice */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 4261e92..1f796b9 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -4406,14 +4406,16 @@ static int ni_E_init(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
unsigned j;
enum ni_gpct_variant counter_variant;
+ int ret;
if (boardtype.n_aochan > MAX_N_AO_CHAN) {
printk("bug! boardtype.n_aochan > MAX_N_AO_CHAN\n");
return -EINVAL;
}
- if (comedi_alloc_subdevices(dev, NI_NUM_SUBDEVICES) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, NI_NUM_SUBDEVICES);
+ if (ret)
+ return ret;
/* analog input subdevice */
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 77ef312..cba0459 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -1249,7 +1249,7 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
n_subdevices = 1;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
if (!this_board->is_diodaq) {
diff --git a/drivers/staging/comedi/drivers/pcl711.c b/drivers/staging/comedi/drivers/pcl711.c
index 35b9510..d5fa6f2 100644
--- a/drivers/staging/comedi/drivers/pcl711.c
+++ b/drivers/staging/comedi/drivers/pcl711.c
@@ -519,7 +519,7 @@ static int pcl711_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->irq = irq;
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
ret = alloc_private(dev, sizeof(struct pcl711_private));
diff --git a/drivers/staging/comedi/drivers/pcl724.c b/drivers/staging/comedi/drivers/pcl724.c
index 698c900..c8fe23c 100644
--- a/drivers/staging/comedi/drivers/pcl724.c
+++ b/drivers/staging/comedi/drivers/pcl724.c
@@ -157,7 +157,7 @@ static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it)
n_subdevices = 4; /* PCL-724 in 96 DIO configuration */
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
for (i = 0; i < dev->n_subdevices; i++) {
diff --git a/drivers/staging/comedi/drivers/pcl725.c b/drivers/staging/comedi/drivers/pcl725.c
index d7ba336..8edbefd 100644
--- a/drivers/staging/comedi/drivers/pcl725.c
+++ b/drivers/staging/comedi/drivers/pcl725.c
@@ -52,6 +52,7 @@ static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
unsigned long iobase;
+ int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: pcl725: 0x%04lx ", dev->minor, iobase);
@@ -63,8 +64,9 @@ static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->iobase = iobase;
dev->irq = 0;
- if (comedi_alloc_subdevices(dev, 2) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 2);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* do */
diff --git a/drivers/staging/comedi/drivers/pcl726.c b/drivers/staging/comedi/drivers/pcl726.c
index e756a30..b2e73cd 100644
--- a/drivers/staging/comedi/drivers/pcl726.c
+++ b/drivers/staging/comedi/drivers/pcl726.c
@@ -293,7 +293,7 @@ static int pcl726_attach(struct comedi_device *dev, struct comedi_devconfig *it)
printk("\n");
ret = comedi_alloc_subdevices(dev, 3);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/pcl730.c b/drivers/staging/comedi/drivers/pcl730.c
index e258bce..3cba79a 100644
--- a/drivers/staging/comedi/drivers/pcl730.c
+++ b/drivers/staging/comedi/drivers/pcl730.c
@@ -72,6 +72,7 @@ static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
unsigned long iobase;
unsigned int iorange;
+ int ret;
iobase = it->options[0];
iorange = board->io_range;
@@ -85,8 +86,9 @@ static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->iobase = iobase;
dev->irq = 0;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* Isolated do */
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index 128f5b6..0a4074a 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -1383,7 +1383,7 @@ no_dma:
n_subdevices++;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0) {
+ if (ret) {
free_resources(dev);
return ret;
}
diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c
index 9d2d093..68ad759 100644
--- a/drivers/staging/comedi/drivers/pcl816.c
+++ b/drivers/staging/comedi/drivers/pcl816.c
@@ -1195,7 +1195,7 @@ no_dma:
*/
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c
index a4c2870..66b2570 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -1779,7 +1779,7 @@ no_rtc:
no_dma:
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/pcm3724.c b/drivers/staging/comedi/drivers/pcm3724.c
index d755b40..62c22cc 100644
--- a/drivers/staging/comedi/drivers/pcm3724.c
+++ b/drivers/staging/comedi/drivers/pcm3724.c
@@ -259,7 +259,7 @@ static int pcm3724_attach(struct comedi_device *dev,
n_subdevices = board->numofports;
ret = comedi_alloc_subdevices(dev, n_subdevices);
- if (ret < 0)
+ if (ret)
return ret;
for (i = 0; i < dev->n_subdevices; i++) {
diff --git a/drivers/staging/comedi/drivers/pcm3730.c b/drivers/staging/comedi/drivers/pcm3730.c
index 48a21bd..b48f7aa 100644
--- a/drivers/staging/comedi/drivers/pcm3730.c
+++ b/drivers/staging/comedi/drivers/pcm3730.c
@@ -59,6 +59,7 @@ static int pcm3730_attach(struct comedi_device *dev,
{
struct comedi_subdevice *s;
unsigned long iobase;
+ int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: pcm3730: 0x%04lx ", dev->minor, iobase);
@@ -71,8 +72,9 @@ static int pcm3730_attach(struct comedi_device *dev,
dev->iobase = dev->iobase;
dev->irq = 0;
- if (comedi_alloc_subdevices(dev, 6) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 6);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
s->type = COMEDI_SUBD_DO;
diff --git a/drivers/staging/comedi/drivers/pcmad.c b/drivers/staging/comedi/drivers/pcmad.c
index 00b0f2a..54d19c9 100644
--- a/drivers/staging/comedi/drivers/pcmad.c
+++ b/drivers/staging/comedi/drivers/pcmad.c
@@ -118,7 +118,7 @@ static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->iobase = iobase;
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0)
+ if (ret)
return ret;
ret = alloc_private(dev, sizeof(struct pcmad_priv_struct));
diff --git a/drivers/staging/comedi/drivers/pcmda12.c b/drivers/staging/comedi/drivers/pcmda12.c
index 87faa03..291ce7c 100644
--- a/drivers/staging/comedi/drivers/pcmda12.c
+++ b/drivers/staging/comedi/drivers/pcmda12.c
@@ -165,6 +165,7 @@ static int pcmda12_attach(struct comedi_device *dev,
const struct pcmda12_board *board = comedi_board(dev);
struct comedi_subdevice *s;
unsigned long iobase;
+ int ret;
iobase = it->options[0];
printk(KERN_INFO
@@ -190,8 +191,9 @@ static int pcmda12_attach(struct comedi_device *dev,
devpriv->simultaneous_xfer_mode = it->options[1];
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
s = dev->subdevices;
s->private = NULL;
diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c
index 3105303..0e64d84 100644
--- a/drivers/staging/comedi/drivers/pcmmio.c
+++ b/drivers/staging/comedi/drivers/pcmmio.c
@@ -1020,6 +1020,7 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
thisasic_chanct = 0;
unsigned long iobase;
unsigned int irq[MAX_ASICS];
+ int ret;
iobase = it->options[0];
irq[0] = it->options[1];
@@ -1072,8 +1073,9 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return -ENOMEM;
}
- if (comedi_alloc_subdevices(dev, n_subdevs) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, n_subdevs);
+ if (ret)
+ return ret;
/* First, AI */
sdev_no = 0;
diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c
index 33ab4c6..48565fe 100644
--- a/drivers/staging/comedi/drivers/pcmuio.c
+++ b/drivers/staging/comedi/drivers/pcmuio.c
@@ -754,6 +754,7 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
int sdev_no, chans_left, n_subdevs, port, asic, thisasic_chanct = 0;
unsigned long iobase;
unsigned int irq[MAX_ASICS];
+ int ret;
iobase = it->options[0];
irq[0] = it->options[1];
@@ -801,8 +802,9 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return -ENOMEM;
}
- if (comedi_alloc_subdevices(dev, n_subdevs) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, n_subdevs);
+ if (ret)
+ return ret;
port = 0;
asic = 0;
diff --git a/drivers/staging/comedi/drivers/poc.c b/drivers/staging/comedi/drivers/poc.c
index 1e954f9..a129ccac 100644
--- a/drivers/staging/comedi/drivers/poc.c
+++ b/drivers/staging/comedi/drivers/poc.c
@@ -139,6 +139,7 @@ static int poc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
unsigned long iobase;
unsigned int iosize;
+ int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: poc: using %s iobase 0x%lx\n", dev->minor,
@@ -160,8 +161,10 @@ static int poc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
dev->iobase = iobase;
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
+
if (alloc_private(dev, sizeof(unsigned int) * board->n_chan) < 0)
return -ENOMEM;
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index 38a13ba..a029147 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -872,7 +872,7 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->iobase = local->link->resource[0]->start;
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
printk(KERN_INFO "comedi%d: attaching daqp%d (io 0x%04lx)\n",
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 445333b..c3c8097 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -1999,9 +1999,9 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* Show board configuration */
printk(KERN_INFO "%s:", dev->board_name);
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
-
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
dev->read_subdev = s;
diff --git a/drivers/staging/comedi/drivers/rti800.c b/drivers/staging/comedi/drivers/rti800.c
index a80f630..966ac2cc 100644
--- a/drivers/staging/comedi/drivers/rti800.c
+++ b/drivers/staging/comedi/drivers/rti800.c
@@ -349,7 +349,7 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_name = board->name;
ret = comedi_alloc_subdevices(dev, 4);
- if (ret < 0)
+ if (ret)
return ret;
ret = alloc_private(dev, sizeof(struct rti800_private));
diff --git a/drivers/staging/comedi/drivers/rti802.c b/drivers/staging/comedi/drivers/rti802.c
index 1aacf3f..fc16508 100644
--- a/drivers/staging/comedi/drivers/rti802.c
+++ b/drivers/staging/comedi/drivers/rti802.c
@@ -92,6 +92,7 @@ static int rti802_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
int i;
unsigned long iobase;
+ int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: rti802: 0x%04lx ", dev->minor, iobase);
@@ -103,10 +104,12 @@ static int rti802_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_name = "rti802";
- if (comedi_alloc_subdevices(dev, 1) < 0
- || alloc_private(dev, sizeof(struct rti802_private))) {
+ if (alloc_private(dev, sizeof(struct rti802_private)))
return -ENOMEM;
- }
+
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
s = dev->subdevices;
/* ao subdevice */
diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c
index 6a30537..141bc9e 100644
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -743,6 +743,7 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
int iobase;
int i, n;
+ int ret;
/* short value; */
/* int subdev_channel = 0; */
union cmReg cmReg;
@@ -774,8 +775,9 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (alloc_private(dev, sizeof(struct s526_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* GENERAL-PURPOSE COUNTER/TIME (GPCT) */
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index f2eeca5..32e03bc 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -595,8 +595,9 @@ static int s626_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_ptr = s626_boards;
dev->board_name = thisboard->name;
- if (comedi_alloc_subdevices(dev, 6) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 6);
+ if (ret)
+ return ret;
dev->iobase = (unsigned long)devpriv->base_addr;
dev->irq = devpriv->pdev->irq;
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c
index 53ebb5d..439fb50 100644
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -780,6 +780,7 @@ static int serial2002_attach(struct comedi_device *dev,
{
const struct serial2002_board *board = comedi_board(dev);
struct comedi_subdevice *s;
+ int ret;
dev_dbg(dev->hw_dev, "comedi%d: attached\n", dev->minor);
dev->board_name = board->name;
@@ -792,8 +793,9 @@ static int serial2002_attach(struct comedi_device *dev,
dev_dbg(dev->hw_dev, "/dev/ttyS%d @ %d\n", devpriv->port,
devpriv->speed);
- if (comedi_alloc_subdevices(dev, 5) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 5);
+ if (ret)
+ return ret;
/* digital input subdevice */
s = dev->subdevices + 0;
diff --git a/drivers/staging/comedi/drivers/skel.c b/drivers/staging/comedi/drivers/skel.c
index ca10b1a..92d44c1 100644
--- a/drivers/staging/comedi/drivers/skel.c
+++ b/drivers/staging/comedi/drivers/skel.c
@@ -210,6 +210,7 @@ static int skel_ns_to_timer(unsigned int *ns, int round);
static int skel_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
+ int ret;
pr_info("comedi%d: skel: ", dev->minor);
@@ -233,8 +234,9 @@ static int skel_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (alloc_private(dev, sizeof(struct skel_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 3) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* dev->read_subdev=s; */
diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c
index 130e4bd..b12bafe 100644
--- a/drivers/staging/comedi/drivers/ssv_dnp.c
+++ b/drivers/staging/comedi/drivers/ssv_dnp.c
@@ -187,6 +187,7 @@ static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
const struct dnp_board *board = comedi_board(dev);
struct comedi_subdevice *s;
+ int ret;
printk(KERN_INFO "comedi%d: dnp: ", dev->minor);
@@ -197,8 +198,9 @@ static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (alloc_private(dev, sizeof(struct dnp_private_data)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 1) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 1);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* digital i/o subdevice */
diff --git a/drivers/staging/comedi/drivers/unioxx5.c b/drivers/staging/comedi/drivers/unioxx5.c
index 711dad7..9f1fdec 100644
--- a/drivers/staging/comedi/drivers/unioxx5.c
+++ b/drivers/staging/comedi/drivers/unioxx5.c
@@ -443,6 +443,7 @@ static int unioxx5_attach(struct comedi_device *dev,
{
int iobase, i, n_subd;
int id, num, ba;
+ int ret;
iobase = it->options[0];
@@ -468,8 +469,9 @@ static int unioxx5_attach(struct comedi_device *dev,
return -1;
}
- if (comedi_alloc_subdevices(dev, n_subd) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, n_subd);
+ if (ret)
+ return ret;
/* initializing each of for same subdevices */
for (i = 0; i < n_subd; i++, iobase += UNIOXX5_SUBDEV_ODDS) {
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index a6cf134..0386fd4 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -2646,7 +2646,7 @@ static int usbdux_attach_common(struct comedi_device *dev,
}
ret = comedi_alloc_subdevices(dev, n_subdevs);
- if (ret < 0) {
+ if (ret) {
up(&udev->sem);
return ret;
}
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index f7d4f56..2ee9ecd 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -1667,7 +1667,7 @@ static int usbduxfast_attach(struct comedi_device *dev,
dev->board_name = BOARDNAME;
ret = comedi_alloc_subdevices(dev, 1);
- if (ret < 0) {
+ if (ret) {
up(&(usbduxfastsub[index].sem));
up(&start_stop_sem);
return ret;
diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index f23fad9..502a409 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -2691,7 +2691,7 @@ static int usbduxsigma_attach(struct comedi_device *dev,
}
ret = comedi_alloc_subdevices(dev, n_subdevs);
- if (ret < 0) {
+ if (ret) {
up(&udev->sem);
up(&start_stop_sem);
return ret;
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index 5a3e33d..69402da 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -1135,6 +1135,7 @@ static int vmk80xx_attach(struct comedi_device *cdev,
int n_subd;
struct comedi_subdevice *s;
int minor;
+ int ret;
mutex_lock(&glb_mutex);
@@ -1159,10 +1160,11 @@ static int vmk80xx_attach(struct comedi_device *cdev,
else
n_subd = 6;
- if (comedi_alloc_subdevices(cdev, n_subd) < 0) {
+ ret = comedi_alloc_subdevices(cdev, n_subd);
+ if (ret) {
up(&dev->limit_sem);
mutex_unlock(&glb_mutex);
- return -ENOMEM;
+ return ret;
}
/* Analog input subdevice */
--
1.7.7
--
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