linux-kernel - [PATCH 01/12] rdmacg: Replace strncmp with str_has

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Date:   Mon, 29 Jul 2019 23:13:46 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH 01/12] rdmacg: Replace strncmp with str_has_prefix

strncmp(str, const, len) is error-prone.
We had better use newly introduced
str_has_prefix() instead of it.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 kernel/cgroup/rdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cgroup/rdma.c b/kernel/cgroup/rdma.c
index ae042c347c64..fd12a227f8e4 100644
--- a/kernel/cgroup/rdma.c
+++ b/kernel/cgroup/rdma.c
@@ -379,7 +379,7 @@ static int parse_resource(char *c, int *intval)
 			return -EINVAL;
 		return i;
 	}
-	if (strncmp(value, RDMACG_MAX_STR, len) == 0) {
+	if (str_has_prefix(value, RDMACG_MAX_STR)) {
 		*intval = S32_MAX;
 		return i;
 	}
-- 
2.20.1