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| author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2009-01-29 23:25:10 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-30 03:04:43 +0100 |
| commit | baef99a08a2e23d9386b47e53fa5f0d44fc98f66 (patch) | |
| tree | 0171abae8bd05710c83444b8a236fc6ffbcac71c /kernel/cgroup.c | |
| parent | mm: OOM documentation update (diff) | |
| download | linux-baef99a08a2e23d9386b47e53fa5f0d44fc98f66.tar.xz linux-baef99a08a2e23d9386b47e53fa5f0d44fc98f66.zip | |
cgroups: use hierarchy mutex in creation failure path
Now, cgrp->sibling is handled under hierarchy mutex.
error route should do so, too.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Acked-by Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index c29831076e7a..2ae7cb47dbfa 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2434,7 +2434,9 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry, err_remove: + cgroup_lock_hierarchy(root); list_del(&cgrp->sibling); + cgroup_unlock_hierarchy(root); root->number_of_cgroups--; err_destroy: |