From 8f4a3809c18ff3107bdbb1fabe3f4e5d2a928321 Mon Sep 17 00:00:00 2001
From: Pierre Peiffer <pierre.peiffer@bull.net>
Date: Tue, 29 Apr 2008 01:00:51 -0700
Subject: IPC: introduce ipc_update_perm()

The IPC_SET command performs the same permission setting for all IPCs.  This
patch introduces a common ipc_update_perm() function to update these
permissions and makes use of it for all IPCs.

Signed-off-by: Pierre Peiffer <pierre.peiffer@bull.net>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 ipc/shm.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'ipc/shm.c')

diff --git a/ipc/shm.c b/ipc/shm.c
index 5e296b04bd6b..20e03dfc6adb 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -656,10 +656,7 @@ static int shmctl_down(struct ipc_namespace *ns, int shmid, int cmd,
 		do_shm_rmid(ns, ipcp);
 		goto out_up;
 	case IPC_SET:
-		ipcp->uid = shmid64.shm_perm.uid;
-		ipcp->gid = shmid64.shm_perm.gid;
-		ipcp->mode = (ipcp->mode & ~S_IRWXUGO)
-			| (shmid64.shm_perm.mode & S_IRWXUGO);
+		ipc_update_perm(&shmid64.shm_perm, ipcp);
 		shp->shm_ctim = get_seconds();
 		break;
 	default:
-- 
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