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authorIngo Molnar <mingo@elte.hu>2008-10-10 09:25:29 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-10 09:25:29 +0200
commit8eb95f28f66b1a5461fdbcc9a1ee9068fb2cf2b6 (patch)
treee42d0e004b07f86d38de930fc163f3ca7d121f9c /kernel/cgroup.c
parentd7451fca18e2ec62641ae4bbfe946069f13765a3 (diff)
parent3fa8749e584b55f1180411ab1b51117190bac1e5 (diff)
Merge commit 'v2.6.27' into timers/hpet
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 13932abde15..a0123d75ec9 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)