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From: Chuhong Yuan <hslester96@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Jason Wessel <jason.wessel@windriver.com>,
	Daniel Thompson <daniel.thompson@linaro.org>,
	kgdb-bugreport@lists.sourceforge.net,
	linux-kernel@vger.kernel.org, Chuhong Yuan <hslester96@gmail.com>
Subject: [PATCH 02/12] kdb: Replace strncmp with str_has_prefix
Date: Mon, 29 Jul 2019 23:13:59 +0800	[thread overview]
Message-ID: <20190729151359.9334-1-hslester96@gmail.com> (raw)

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@gmail.com>
---
 kernel/debug/kdb/kdb_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 9ecfa37c7fbf..4567fe998c30 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -830,7 +830,7 @@ static void parse_grep(const char *str)
 	cp++;
 	while (isspace(*cp))
 		cp++;
-	if (strncmp(cp, "grep ", 5)) {
+	if (!str_has_prefix(cp, "grep ")) {
 		kdb_printf("invalid 'pipe', see grephelp\n");
 		return;
 	}
-- 
2.20.1


             reply	other threads:[~2019-07-29 15:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-29 15:13 Chuhong Yuan [this message]
2019-07-30 10:05 ` Daniel Thompson

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