/usr/src/devel/arch/x86/Makefile:82: stack protector enabled but no compiler support

/usr/src/devel/arch/x86/Makefile:82: stack protector enabled but no compiler support
In file included from crypto/api.c:18:
include/linux/err.h: In function 'IS_ERR_OR_NULL':
include/linux/err.h:39: error: 'NULL' undeclared (first use in this function)
include/linux/err.h:39: error: (Each undeclared identifier is reported only once
include/linux/err.h:39: error: for each function it appears in.)

Cc: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

include/linux/err.h

@@ -36,7 +36,7 @@ static inline long IS_ERR(const void *ptr)
 
 static inline long IS_ERR_OR_NULL(const void *ptr)
 {
-	return (ptr == NULL) || IS_ERR_VALUE((unsigned long)ptr);
+	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
 }
 
 /**