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| author | Pierre Peiffer <pierre.peiffer@bull.net> | 2008-04-29 01:00:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-29 08:06:13 -0700 |
| commit | 8f4a3809c18ff3107bdbb1fabe3f4e5d2a928321 (patch) | |
| tree | 444ec369565052fde4b349c40b610caa69c93a25 /ipc/shm.c | |
| parent | 016d7132f246a05e6e34ccba157fa278a96c45ae (diff) | |
| download | lwn-8f4a3809c18ff3107bdbb1fabe3f4e5d2a928321.tar.gz lwn-8f4a3809c18ff3107bdbb1fabe3f4e5d2a928321.zip | |
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>
Diffstat (limited to 'ipc/shm.c')
| -rw-r--r-- | ipc/shm.c | 5 |
1 files changed, 1 insertions, 4 deletions
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: |