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authorIngo Molnar <mingo@kernel.org>2015-10-08 10:52:18 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-08 10:52:18 +0200
commitd3df65c198dc2f1deefb73c8427b04d1bdd1b18d (patch)
treef348c249146e2a1bbe2040ebecb0c529f5449b84 /ipc/msg.c
parent712df65ccb63da08a484bf57c40b250dfd4103a7 (diff)
parent00e6fa5fe15c0eccc95a9d1afc4615e467ee8dc9 (diff)
Merge branch 'perf/urgent' into perf/core, before pulling new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'ipc/msg.c')
-rw-r--r--ipc/msg.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index 66c4f567eb73..1471db9a7e61 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -137,13 +137,6 @@ static int newque(struct ipc_namespace *ns, struct ipc_params *params)
return retval;
}
- /* ipc_addid() locks msq upon success. */
- id = ipc_addid(&msg_ids(ns), &msq->q_perm, ns->msg_ctlmni);
- if (id < 0) {
- ipc_rcu_putref(msq, msg_rcu_free);
- return id;
- }
-
msq->q_stime = msq->q_rtime = 0;
msq->q_ctime = get_seconds();
msq->q_cbytes = msq->q_qnum = 0;
@@ -153,6 +146,13 @@ static int newque(struct ipc_namespace *ns, struct ipc_params *params)
INIT_LIST_HEAD(&msq->q_receivers);
INIT_LIST_HEAD(&msq->q_senders);
+ /* ipc_addid() locks msq upon success. */
+ id = ipc_addid(&msg_ids(ns), &msq->q_perm, ns->msg_ctlmni);
+ if (id < 0) {
+ ipc_rcu_putref(msq, msg_rcu_free);
+ return id;
+ }
+
ipc_unlock_object(&msq->q_perm);
rcu_read_unlock();