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| author |   KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2009-10-01 15:44:09 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-01 16:11:12 -0700 |
| commit | 3dece8347df6a16239fab10dadb370854f1c969c (patch) | |
| tree | 23a93cdb0dfacd4b89b42c192a6247be84d105bf /mm | |
| parent | memcg: fix refcnt going negative (diff) | |
| download | linux-dev-3dece8347df6a16239fab10dadb370854f1c969c.tar.xz linux-dev-3dece8347df6a16239fab10dadb370854f1c969c.zip | |
cgroup: catch bad css refcnt at css_put
__css_put() doesn't check a bug as refcnt goes to minus.
I think it should be caught. This patch adds a check for it.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions