Messages in this thread Patch in this message | | | From | Tao Ma <> | Subject | [PATCH] cgroup: set 'start' with the right value in cgroup_path. | Date | Thu, 8 Nov 2012 21:36:38 +0800 |
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From: Tao Ma <boyu.mt@taobao.com>
'start' is set to buf + buflen and do the '--' immediately. Just set it to 'buf + buflen - 1' directly.
Cc: Tejun Heo <tj@kernel.org> Cc: Li Zefan <lizefan@huawei.com> --- kernel/cgroup.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index f24f724..a9f8388 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1821,9 +1821,9 @@ 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; -- 1.7.1
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