From: Li Zefan <lizf@cn.fujitsu.com>
Date: Fri, 7 Nov 2008 06:47:21 +0000 (+0800)
Subject: sched: fix memory leak in a failure path
X-Git-Tag: v2.6.28-rc4~17^2~2
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=commitdiff_plain;h=ca3273f9646694e0419cfb9d6c12deb1c9aff27c

sched: fix memory leak in a failure path

Impact: fix rare memory leak in the sched-domains manual reconfiguration code

In the failure path, rd is not attached to a sched domain,
so it causes a leak.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/sched.c b/kernel/sched.c
index 4c7e2bcdfa8..57c933ffbee 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7676,6 +7676,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
 error:
 	free_sched_groups(cpu_map, tmpmask);
 	SCHED_CPUMASK_FREE((void *)allmasks);
+	kfree(rd);
 	return -ENOMEM;
 #endif
 }