x86: fix integer as NULL pointer warning

arch/x86/boot/printf.c:59:10: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/x86/boot/printf.c b/arch/x86/boot/printf.c
index c1d00c0..50e47cd 100644 (file)
--- a/arch/x86/boot/printf.c
+++ b/arch/x86/boot/printf.c
@@ -56,7 +56,7 @@ static char *number(char *str, long num, int base, int size, int precision,
        if (type & LEFT)
                type &= ~ZEROPAD;
        if (base < 2 || base > 36)
-               return 0;
+               return NULL;
        c = (type & ZEROPAD) ? '0' : ' ';
        sign = 0;
        if (type & SIGN) {