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Subject[PATCH linux-next] arm64/idreg: use strscpy() is more robust and safer
Date
From: Xu Panda <xu.panda@zte.com.cn>

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

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Xu Panda <xu.panda668@gmail.com>
---
arch/arm64/kernel/idreg-override.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c
index 95133765ed29..61bbec7ef62e 100644
--- a/arch/arm64/kernel/idreg-override.c
+++ b/arch/arm64/kernel/idreg-override.c
@@ -246,7 +246,7 @@ static __init void __parse_cmdline(const char *cmdline, bool parse_aliases)
return;

len = min(len, ARRAY_SIZE(buf) - 1);
- strncpy(buf, cmdline, len);
+ strscpy(buf, cmdline, len);
buf[len] = 0;

if (strcmp(buf, "--") == 0)
--
2.15.2
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