USB: BKL removal: vstusb

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 16:13:24 +01:00 committed by Greg Kroah-Hartman
parent 3c02b1d79e
commit eedf1f17d4

View File

@ -27,7 +27,6 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/smp_lock.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
@ -104,23 +103,19 @@ static int vstusb_open(struct inode *inode, struct file *file)
struct vstusb_device *vstdev;
struct usb_interface *interface;
lock_kernel();
interface = usb_find_interface(&vstusb_driver, iminor(inode));
if (!interface) {
printk(KERN_ERR KBUILD_MODNAME
": %s - error, can't find device for minor %d\n",
__func__, iminor(inode));
unlock_kernel();
return -ENODEV;
}
vstdev = usb_get_intfdata(interface);
if (!vstdev) {
unlock_kernel();
if (!vstdev)
return -ENODEV;
}
/* lock this device */
mutex_lock(&vstdev->lock);
@ -128,7 +123,6 @@ static int vstusb_open(struct inode *inode, struct file *file)
/* can only open one time */
if ((!vstdev->present) || (vstdev->isopen)) {
mutex_unlock(&vstdev->lock);
unlock_kernel();
return -EBUSY;
}
@ -143,7 +137,6 @@ static int vstusb_open(struct inode *inode, struct file *file)
dev_dbg(&vstdev->usb_dev->dev, "%s: opened\n", __func__);
mutex_unlock(&vstdev->lock);
unlock_kernel();
return 0;
}