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 cb6def585851e6c2fb9b3055239eecf612b377a4..37fb663559b47497c9ae67e4817ae970fcd7fb1e 100644 (file)
--- 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));