From: Xu Panda <xu.panda@zte.com.cn>
Date: Sat, 3 Dec 2022 06:10:56 +0000 (+0800)
Subject: m68k: use strscpy() to instead of strncpy()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=af5d74e32eb8e1b833f687047f0ffe3801d7229d;p=linux.git

m68k: use strscpy() to instead of strncpy()

The implementation of strscpy() is more robust and safer.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
---

diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index cb6def585851e..37fb663559b47 100644
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -90,8 +90,7 @@ void __init setup_arch(char **cmdline_p)
 	config_BSP(&command_line[0], sizeof(command_line));
 
 #if defined(CONFIG_BOOTPARAM)
-	strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
-	command_line[sizeof(command_line) - 1] = 0;
+	strscpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
 #endif /* CONFIG_BOOTPARAM */
 
 	process_uboot_commandline(&command_line[0], sizeof(command_line));