Commit 316eb661 authored Nov 08, 2012 by Tao Ma Committed by Tejun Heo Nov 08, 2012

cgroup: set 'start' with the right value in cgroup_path.



'start' is set to buf + buflen and do the '--' immediately.
Just set it to 'buf + buflen - 1' directly.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>

parent 4b1c7840

kernel/cgroup.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1770,9 +1770,9 @@ int cgroup_path(const struct cgroup cgrp, char buf, int buflen)
		return 0;
		}

		start = buf + buflen;
		start = buf + buflen - 1;

		*--start = '\0';
		*start = '\0';
		for (;;) {
		int len = dentry->d_name.len;