linux-kernel - [PATCH linux-next] clocksource: use strscpy() to instead of strlcpy()

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Date:   Thu, 24 Nov 2022 19:24:36 +0800 (CST)
From:   <yang.yang29@....com.cn>
To:     <jstultz@...gle.com>
Cc:     <tglx@...utronix.de>, <sboyd@...nel.org>,
        <linux-kernel@...r.kernel.org>, <xu.panda@....com.cn>,
        <yang.yang29@....com.cn>
Subject: [PATCH linux-next] clocksource: use strscpy() to instead of strlcpy()

From: Xu Panda <xu.panda@....com.cn>

The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Xu Panda <xu.panda@....com.cn>
Signed-off-by: Yang Yang <yang.yang29@....com>
---
 kernel/time/clocksource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 4a2c3bb92e2e..d59b05409a22 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -1450,7 +1450,7 @@ static int __init boot_override_clocksource(char* str)
 {
 	mutex_lock(&clocksource_mutex);
 	if (str)
-		strlcpy(override_name, str, sizeof(override_name));
+		strscpy(override_name, str, sizeof(override_name));
 	mutex_unlock(&clocksource_mutex);
 	return 1;
 }
-- 
2.15.2