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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>
This commit is contained in:
Oliver Neukum 2010-01-14 16:12:27 +01:00 committed by Greg Kroah-Hartman
parent 92846fbb86
commit 6248c52f6a
1 changed files with 2 additions and 10 deletions
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12
drivers/usb/misc/ldusb.c
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@ -33,7 +33,6 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h> #include <asm/uaccess.h>
#include <linux/input.h> #include <linux/input.h>
@ -297,14 +296,12 @@ static int ld_usb_open(struct inode *inode, struct file *file)
int retval; int retval;
struct usb_interface *interface; struct usb_interface *interface;
lock_kernel();
nonseekable_open(inode, file); nonseekable_open(inode, file);
subminor = iminor(inode); subminor = iminor(inode);
interface = usb_find_interface(&ld_usb_driver, subminor); interface = usb_find_interface(&ld_usb_driver, subminor);
if (!interface) { if (!interface) {
unlock_kernel();
err("%s - error, can't find device for minor %d\n", err("%s - error, can't find device for minor %d\n",
__func__, subminor); __func__, subminor);
return -ENODEV; return -ENODEV;
@ -312,16 +309,12 @@ static int ld_usb_open(struct inode *inode, struct file *file)
dev = usb_get_intfdata(interface); dev = usb_get_intfdata(interface);
if (!dev) { if (!dev)
unlock_kernel();
return -ENODEV; return -ENODEV;
}
/* lock this device */ /* lock this device */
if (mutex_lock_interruptible(&dev->mutex)) { if (mutex_lock_interruptible(&dev->mutex))
unlock_kernel();
return -ERESTARTSYS; return -ERESTARTSYS;
}
/* allow opening only once */ /* allow opening only once */
if (dev->open_count) { if (dev->open_count) {
@ -360,7 +353,6 @@ static int ld_usb_open(struct inode *inode, struct file *file)
unlock_exit: unlock_exit:
mutex_unlock(&dev->mutex); mutex_unlock(&dev->mutex);
unlock_kernel();
return retval; return retval;
} }