m68k/kernel: replace strncpy() with strscpy()

Swapped out strncpy() for strscpy() in parse_uboot_commandline() while
copying to commandp. strscpy() makes sure the string is properly null-
terminated and gives a more useful return value so it's just a safer
choice overall.

Link: https://github.com/KSPP/linux/issues/90
Signed-off-by: Mohammad Mahdi Anbaraki <m.mahdianbaraki@gmail.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>

diff --git a/arch/m68k/kernel/uboot.c b/arch/m68k/kernel/uboot.c
index 5e52ea150d5cb180634af9d59bea38927d75b832..fa7c279ead5d31698e72494b2b99d4670384f006 100644 (file)
--- a/arch/m68k/kernel/uboot.c
+++ b/arch/m68k/kernel/uboot.c
@@ -73,7 +73,7 @@ static void __init parse_uboot_commandline(char *commandp, int size)
        uboot_cmd_end = sp[5];
 
        if (uboot_cmd_start && uboot_cmd_end)
-               strncpy(commandp, (const char *)uboot_cmd_start, size);
+               strscpy(commandp, (const char *)uboot_cmd_start, size);
 
 #if defined(CONFIG_BLK_DEV_INITRD)
        uboot_initrd_start = sp[2];