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ipc,msg: drop msg_unlock 

commit 4718787d1f626f45ddb239912bc07266b9880044 upstream.

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>
Cc: Mike Galbraith <efault@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Davidlohr Bueso 2013-09-11 14:26:25 -07:00 committed by Greg Kroah-Hartman
parent 33b7466985
commit c143813735
1 changed files with 2 additions and 3 deletions
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5
ipc/msg.c
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@ -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);