linux-kernel - [PATCH] shm: fix wrong tests

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Date:	Wed, 3 Aug 2011 22:26:55 +0400
From:	Vasiliy Kulikov <segoon@...nwall.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Manuel Lauss <manuel.lauss@...glemail.com>,
	Richard Weinberger <richard@....at>,
	"Serge E. Hallyn" <serge.hallyn@...onical.com>,
	Marc Zyngier <marc.zyngier@....com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] shm: fix wrong tests

The patch 4c677e2eefdba9c5bfc4474e2e9 introduced a copy-paste bug.
Due to the bug cycle optimizations were disabled.

Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com>
---
 ipc/shm.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ipc/shm.c b/ipc/shm.c
index bf46636..4e3c883 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -294,7 +294,7 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data)
 void shm_destroy_orphaned(struct ipc_namespace *ns)
 {
 	down_write(&shm_ids(ns).rw_mutex);
-	if (&shm_ids(ns).in_use)
+	if (shm_ids(ns).in_use)
 		idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns);
 	up_write(&shm_ids(ns).rw_mutex);
 }
@@ -306,7 +306,7 @@ void exit_shm(struct task_struct *task)
 
 	/* Destroy all already created segments, but not mapped yet */
 	down_write(&shm_ids(ns).rw_mutex);
-	if (&shm_ids(ns).in_use)
+	if (shm_ids(ns).in_use)
 		idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_current, ns);
 	up_write(&shm_ids(ns).rw_mutex);
 }
-- 
1.7.0.4

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