Unlock vfsmount_lock in do_umount

By the commit
	b3e19d9 2011-01-07 fs: scale mntget/mntput
vfsmount_lock was introduced around testing mnt_count.
Fix the mis-typed 'unlock'

Signed-off-by: J. R. Okajima <hooanon05@yahoo.co.jp>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
J. R. Okajima 2011-02-23 16:59:49 +09:00 committed by Al Viro
parent 2aa15890f3
commit bf9faa2aa3

View File

@ -1244,7 +1244,7 @@ static int do_umount(struct vfsmount *mnt, int flags)
*/
br_write_lock(vfsmount_lock);
if (mnt_get_count(mnt) != 2) {
br_write_lock(vfsmount_lock);
br_write_unlock(vfsmount_lock);
return -EBUSY;
}
br_write_unlock(vfsmount_lock);