[PATCH] i2o: propogate the BKL down into the ioctl method

From: Alan Cox
Date: Mon Jan 04 2010 - 11:41:51 EST


Nobody seems to want to own I2O patches so sending this one directly.

Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---

drivers/message/i2o/i2o_config.c | 13 ++++++-------
1 files changed, 6 insertions(+), 7 deletions(-)


diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index efba702..3d5f40c 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -40,8 +40,7 @@

#define SG_TABLESIZE 30

-static int i2o_cfg_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long);
+static long i2o_cfg_ioctl(struct file *, unsigned int, unsigned long);

static spinlock_t i2o_config_lock;

@@ -751,7 +750,7 @@ static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd,
lock_kernel();
switch (cmd) {
case I2OGETIOPS:
- ret = i2o_cfg_ioctl(NULL, file, cmd, arg);
+ ret = i2o_cfg_ioctl(file, cmd, arg);
break;
case I2OPASSTHRU32:
ret = i2o_cfg_passthru32(file, cmd, arg);
@@ -984,11 +983,11 @@ out:
/*
* IOCTL Handler
*/
-static int i2o_cfg_ioctl(struct inode *inode, struct file *fp, unsigned int cmd,
- unsigned long arg)
+static long i2o_cfg_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
{
int ret;

+ lock_kernel();
switch (cmd) {
case I2OGETIOPS:
ret = i2o_cfg_getiops(arg);
@@ -1044,7 +1043,7 @@ static int i2o_cfg_ioctl(struct inode *inode, struct file *fp, unsigned int cmd,
osm_debug("unknown ioctl called!\n");
ret = -EINVAL;
}
-
+ unlock_kernel();
return ret;
}

@@ -1118,7 +1117,7 @@ static int cfg_release(struct inode *inode, struct file *file)
static const struct file_operations config_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = i2o_cfg_ioctl,
+ .unlocked_ioctl = i2o_cfg_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = i2o_cfg_compat_ioctl,
#endif

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