--- /dev/null
+From 20b8875abcf2daa1dda5cf70bd6369df5e85d4c1 Mon Sep 17 00:00:00 2001
+From: Davidlohr Bueso <davidlohr.bueso@hp.com>
+Date: Wed, 11 Sep 2013 14:26:31 -0700
+Subject: ipc: drop ipc_lock_check
+
+From: Davidlohr Bueso <davidlohr.bueso@hp.com>
+
+commit 20b8875abcf2daa1dda5cf70bd6369df5e85d4c1 upstream.
+
+No remaining users, we now use ipc_obtain_object_check().
+
+Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
+Cc: Sedat Dilek <sedat.dilek@gmail.com>
+Cc: Rik van Riel <riel@redhat.com>
+Cc: Manfred Spraul <manfred@colorfullife.com>
+Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
+Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
+Cc: Mike Galbraith <efault@gmx.de>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ ipc/util.c | 16 ----------------
+ ipc/util.h | 1 -
+ 2 files changed, 17 deletions(-)
+
+--- a/ipc/util.c
++++ b/ipc/util.c
+@@ -686,22 +686,6 @@ out:
+ return out;
+ }
+
+-struct kern_ipc_perm *ipc_lock_check(struct ipc_ids *ids, int id)
+-{
+- struct kern_ipc_perm *out;
+-
+- out = ipc_lock(ids, id);
+- if (IS_ERR(out))
+- return out;
+-
+- if (ipc_checkid(out, id)) {
+- ipc_unlock(out);
+- return ERR_PTR(-EIDRM);
+- }
+-
+- return out;
+-}
+-
+ /**
+ * ipcget - Common sys_*get() code
+ * @ns : namsepace
+--- a/ipc/util.h
++++ b/ipc/util.h
+@@ -177,7 +177,6 @@ static inline void ipc_unlock(struct ker
+ rcu_read_unlock();
+ }
+
+-struct kern_ipc_perm *ipc_lock_check(struct ipc_ids *ids, int id);
+ struct kern_ipc_perm *ipc_obtain_object_check(struct ipc_ids *ids, int id);
+ int ipcget(struct ipc_namespace *ns, struct ipc_ids *ids,
+ struct ipc_ops *ops, struct ipc_params *params);