Commit 6248c52f authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
Browse files

USB: BKL removal: ldusb 



BKL was not needed at all. Removed without replacement.

Signed-off-by: default avatarOliver Neukum <oliver@neukum.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 92846fbb

drivers/usb/misc/ldusb.c

+2 −10
Original line number Diff line number Diff line
@@ -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 @@ static int ld_usb_open(struct inode *inode, struct file *file) 
	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 @@ static int ld_usb_open(struct inode *inode, struct file *file) 


	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 @@ static int ld_usb_open(struct inode *inode, struct file *file) 


unlock_exit:

	mutex_unlock(&dev->mutex);

	unlock_kernel();



	return retval;

}