tree 508c0b887653577a2e28dc238c820178593f0f91
parent e368d3a836797ddf193b1ec18c97407a791d2451
author Li Zefan <lizf@cn.fujitsu.com> 1230069434 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1230076701 -0800

cgroups: avoid accessing uninitialized data in failure path

If cgroup_get_rootdir() failed, free_cg_links() will be called in the
failure path, but tmp_cg_links hasn't been initialized at that time.

I introduced this bug in the 2.6.27 merge window.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>