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authorDavidlohr Bueso <davidlohr.bueso@hp.com>2013-09-11 14:26:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-11 15:59:42 -0700
commit4718787d1f626f45ddb239912bc07266b9880044 (patch)
tree160a8a8b414dac9426518987f3ff15bc679cbdb3 /ipc/msg.c
parentd9a605e40b1376eb02b067d7690580255a0df68f (diff)
downloadlwn-4718787d1f626f45ddb239912bc07266b9880044.tar.gz
lwn-4718787d1f626f45ddb239912bc07266b9880044.zip
ipc,msg: drop msg_unlock
There is only one user left, drop this function and just call ipc_unlock_object() and rcu_read_unlock(). Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com> Tested-by: 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>
Diffstat (limited to 'ipc/msg.c')
-rw-r--r--ipc/msg.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index 8203e71bcfbc..b0d541d42677 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -70,8 +70,6 @@ struct msg_sender {
#define msg_ids(ns) ((ns)->ids[IPC_MSG_IDS])
-#define msg_unlock(msq) ipc_unlock(&(msq)->q_perm)
-
static void freeque(struct ipc_namespace *, struct kern_ipc_perm *);
static int newque(struct ipc_namespace *, struct ipc_params *);
#ifdef CONFIG_PROC_FS
@@ -270,7 +268,8 @@ static void freeque(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
expunge_all(msq, -EIDRM);
ss_wakeup(&msq->q_senders, 1);
msg_rmid(ns, msq);
- msg_unlock(msq);
+ ipc_unlock_object(&msq->q_perm);
+ rcu_read_unlock();
list_for_each_entry_safe(msg, t, &msq->q_messages, m_list) {
atomic_dec(&ns->msg_hdrs);