Commit 9514dff9 authored by Jonathan Corbet's avatar Jonathan Corbet
Browse files

Remove the lock_kernel() call from chrdev_open() 



All in-kernel char device open() functions now either have their own
lock_kernel() calls or clearly do not need one.

Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent a30427d9

fs/char_dev.c

+1 −4
Original line number Diff line number Diff line
@@ -394,11 +394,8 @@ static int chrdev_open(struct inode *inode, struct file *filp) 
		cdev_put(p);

		return -ENXIO;

	}

	if (filp->f_op->open) {

		lock_kernel();

	if (filp->f_op->open)

		ret = filp->f_op->open(inode,filp);

		unlock_kernel();

	}

	if (ret)

		cdev_put(p);

	return ret;