From: Oliver Neukum <oliver@neukum.org>
Date: Wed, 13 Jan 2010 14:31:48 +0000 (+0100)
Subject: USB: Remove BKL from usbdev_open()
X-Git-Tag: upstream/snapshot3+hdmi~15518^2~89
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=063e20eb980f281d8456c3b48f146107f5cb2338;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

USB: Remove BKL from usbdev_open()

Locking had long been changed making BKL redundant.
Simply remove it.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 825e0ab..6e73150 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -653,8 +653,6 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	const struct cred *cred = current_cred();
 	int ret;
 
-	lock_kernel();
-
 	ret = -ENOMEM;
 	ps = kmalloc(sizeof(struct dev_state), GFP_KERNEL);
 	if (!ps)
@@ -713,7 +711,6 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	usb_unlock_device(dev);
 	snoop(&dev->dev, "opened by process %d: %s\n", task_pid_nr(current),
 			current->comm);
-	unlock_kernel();
 	return ret;
 
  out_unlock_device:
@@ -721,7 +718,6 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	usb_put_dev(dev);
  out_free_ps:
 	kfree(ps);
-	unlock_kernel();
 	return ret;
 }