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authorIngo Molnar <mingo@elte.hu>2008-10-06 06:13:18 (GMT)
committerIngo Molnar <mingo@elte.hu>2008-10-06 06:13:18 (GMT)
commit2c10c22af088ab5d94fae93ce3fe6436b2a208b4 (patch)
treedb27721001f194327ddbdcd6c983c4ec68b77c00 /kernel/cgroup.c
parentf6121f4f8708195e88cbdf8dd8d171b226b3f858 (diff)
parentfec6ed1d1f9b78a6acb4a3eb2c46c812ac2e96f0 (diff)
downloadlinux-fsl-qoriq-2c10c22af088ab5d94fae93ce3fe6436b2a208b4.tar.xz
Merge branch 'linus' into sched/devel
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 13932abd..a0123d7 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2738,14 +2738,15 @@ void cgroup_fork_callbacks(struct task_struct *child)
*/
void cgroup_mm_owner_callbacks(struct task_struct *old, struct task_struct *new)
{
- struct cgroup *oldcgrp, *newcgrp;
+ struct cgroup *oldcgrp, *newcgrp = NULL;
if (need_mm_owner_callback) {
int i;
for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
struct cgroup_subsys *ss = subsys[i];
oldcgrp = task_cgroup(old, ss->subsys_id);
- newcgrp = task_cgroup(new, ss->subsys_id);
+ if (new)
+ newcgrp = task_cgroup(new, ss->subsys_id);
if (oldcgrp == newcgrp)
continue;
if (ss->mm_owner_changed)