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Commit eedf1f17 authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
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USB: BKL removal: vstusb 



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 3c02b1d7

drivers/usb/misc/vstusb.c

+1 −8
Original line number Diff line number Diff line
@@ -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;

}