USB: BKL removal: ldusb
BKL was not needed at all. Removed without replacement.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index 8de32df..7c0bd13 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -33,7 +33,6 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/mutex.h>
-#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <linux/input.h>
@@ -297,14 +296,12 @@
int retval;
struct usb_interface *interface;
- lock_kernel();
nonseekable_open(inode, file);
subminor = iminor(inode);
interface = usb_find_interface(&ld_usb_driver, subminor);
if (!interface) {
- unlock_kernel();
err("%s - error, can't find device for minor %d\n",
__func__, subminor);
return -ENODEV;
@@ -312,16 +309,12 @@
dev = usb_get_intfdata(interface);
- if (!dev) {
- unlock_kernel();
+ if (!dev)
return -ENODEV;
- }
/* lock this device */
- if (mutex_lock_interruptible(&dev->mutex)) {
- unlock_kernel();
+ if (mutex_lock_interruptible(&dev->mutex))
return -ERESTARTSYS;
- }
/* allow opening only once */
if (dev->open_count) {
@@ -360,7 +353,6 @@
unlock_exit:
mutex_unlock(&dev->mutex);
- unlock_kernel();
return retval;
}