linux-kernel - [PATCH 04/12] gcov: Replace strncmp with str_has

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Date:   Mon, 29 Jul 2019 23:14:28 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Peter Oberparleiter <oberpar@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH 04/12] gcov: 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/gcov/fs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/gcov/fs.c b/kernel/gcov/fs.c
index e5eb5ea7ea59..67296c1768b4 100644
--- a/kernel/gcov/fs.c
+++ b/kernel/gcov/fs.c
@@ -354,7 +354,7 @@ static char *get_link_target(const char *filename, const struct gcov_link *ext)
  */
 static const char *deskew(const char *basename)
 {
-	if (strncmp(basename, SKEW_PREFIX, sizeof(SKEW_PREFIX) - 1) == 0)
+	if (str_has_prefix(basename, SKEW_PREFIX))
 		return basename + sizeof(SKEW_PREFIX) - 1;
 	return basename;
 }
-- 
2.20.1