[PATCH] Return error in case flock_lock_file failure

If flock_lock_file() failed to allocate flock with locks_alloc_lock()
then "error = 0" is returned. Need to return some non-zero.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/locks.c b/fs/locks.c
index 6f99c0a6f836..ab61a8b54829 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -755,6 +755,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
         if (request->fl_type == F_UNLCK)
                 goto out;
 
+        error = -ENOMEM;
         new_fl = locks_alloc_lock();
         if (new_fl == NULL)
                 goto out;
@@ -781,6 +782,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
         locks_copy_lock(new_fl, request);
         locks_insert_lock(&inode->i_flock, new_fl);
         new_fl = NULL;
+        error = 0;
 
 out:
         unlock_kernel();