[PATCH] staging: line6: drop unused line6_devices[] array

From: Stefan Hajnoczi
Date: Mon Oct 15 2012 - 14:28:29 EST


There is no reason to limit the number of line6 devices. Drop the
static array.

Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
---
drivers/staging/line6/driver.c | 20 +-------------------
drivers/staging/line6/driver.h | 2 --
2 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
index b8358ca..ac11a3b 100644
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -96,8 +96,6 @@ static const char line6_request_version[] = {
0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7
};

-struct usb_line6 *line6_devices[LINE6_MAX_DEVICES];
-
/**
Class for asynchronous messages.
*/
@@ -740,7 +738,6 @@ static int line6_probe(struct usb_interface *interface,
struct usb_device *usbdev;
struct usb_line6 *line6;
const struct line6_properties *properties;
- int devnum;
int interface_number, alternate = 0;
int product;
int size = 0;
@@ -774,16 +771,6 @@ static int line6_probe(struct usb_interface *interface,
goto err_put;
}

- /* find free slot in device table: */
- for (devnum = 0; devnum < LINE6_MAX_DEVICES; ++devnum)
- if (line6_devices[devnum] == NULL)
- break;
-
- if (devnum == LINE6_MAX_DEVICES) {
- ret = -ENODEV;
- goto err_put;
- }
-
/* initialize device info: */
properties = &line6_properties_table[devtype];
dev_info(&interface->dev, "Line6 %s found\n", properties->name);
@@ -1112,7 +1099,6 @@ static int line6_probe(struct usb_interface *interface,

dev_info(&interface->dev, "Line6 %s now attached\n",
line6->properties->name);
- line6_devices[devnum] = line6;

switch (product) {
case LINE6_DEVID_PODX3:
@@ -1141,7 +1127,7 @@ static void line6_disconnect(struct usb_interface *interface)
{
struct usb_line6 *line6;
struct usb_device *usbdev;
- int interface_number, i;
+ int interface_number;

if (interface == NULL)
return;
@@ -1214,10 +1200,6 @@ static void line6_disconnect(struct usb_interface *interface)

dev_info(&interface->dev, "Line6 %s now disconnected\n",
line6->properties->name);
-
- for (i = LINE6_MAX_DEVICES; i--;)
- if (line6_devices[i] == line6)
- line6_devices[i] = NULL;
}

line6_destruct(interface);
diff --git a/drivers/staging/line6/driver.h b/drivers/staging/line6/driver.h
index a3029eb..35246cf 100644
--- a/drivers/staging/line6/driver.h
+++ b/drivers/staging/line6/driver.h
@@ -25,7 +25,6 @@
#endif

#define LINE6_TIMEOUT 1
-#define LINE6_MAX_DEVICES 8
#define LINE6_BUFSIZE_LISTEN 32
#define LINE6_MESSAGE_MAXLEN 256

@@ -78,7 +77,6 @@ do { \
} while (0)

extern const unsigned char line6_midi_id[3];
-extern struct usb_line6 *line6_devices[LINE6_MAX_DEVICES];

static const int SYSEX_DATA_OFS = sizeof(line6_midi_id) + 3;
static const int SYSEX_EXTRA_SIZE = sizeof(line6_midi_id) + 4;
--
1.7.11.7

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