From: Tao Ma <boyu...@taobao.com>
'start' is set to buf + buflen and do the '--' immediately.
Just set it to 'buf + buflen - 1' directly.
Cc: Tejun Heo <t...@kernel.org>
Cc: Li Zefan <lize...@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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