ipc: remove unused functions

We can now drop the msg_lock and msg_lock_check functions along with a
bogus comment introduced previously in semctl_down.

Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/ipc/sem.c b/ipc/sem.c
index b4b892b..d3ad357 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1296,7 +1296,6 @@ static int semctl_down(struct ipc_namespace *ns, int semid,
 				      &semid64.sem_perm, 0);
 	if (IS_ERR(ipcp)) {
 		err = PTR_ERR(ipcp);
-		/* the ipc lock is not held upon failure */
 		goto out_unlock1;
 	}