From: Mike Galbraith <efault@gmx.de>
Date: Fri, 31 Dec 2010 08:32:30 +0000 (+0100)
Subject: sched, autogroup: Fix reference leak
X-Git-Tag: Ubuntu-5.0.0-8.9~20764^2~2
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=101e5f77bf35679809586e250b6c62193d2ed179;p=mirror_ubuntu-disco-kernel.git

sched, autogroup: Fix reference leak

The cgroup exit mess also uncovered a struct autogroup reference leak.
copy_process() was simply freeing vs putting the signal_struct,
stranding a reference.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Oleg Nesterov <oleg@redhat.com>
LKML-Reference: <1293784350.6839.2.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/fork.c b/kernel/fork.c
index b6f2475f1e83..067244495966 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1317,7 +1317,7 @@ bad_fork_cleanup_mm:
 	}
 bad_fork_cleanup_signal:
 	if (!(clone_flags & CLONE_THREAD))
-		free_signal_struct(p->signal);
+		put_signal_struct(p->signal);
 bad_fork_cleanup_sighand:
 	__cleanup_sighand(p->sighand);
 bad_fork_cleanup_fs: