Index: arch/mips64/kernel/linux32.c
===================================================================
RCS file: /cvs/linux/arch/mips64/kernel/linux32.c,v
retrieving revision 1.42.2.6
diff -u -r1.42.2.6 linux32.c
--- arch/mips64/kernel/linux32.c	2002/07/01 00:17:14	1.42.2.6
+++ arch/mips64/kernel/linux32.c	2002/07/22 13:49:33
@@ -411,12 +411,14 @@
 	int n, ret;
 
 	n = 0;
+	ptr = NULL;
 	do {
 		/* egcs is stupid */
 		if (!access_ok(VERIFY_READ, arg, sizeof (unsigned int)))
 			return -EFAULT;
-		if (IS_ERR(ret = __get_user((long)ptr,(int *)A(arg))))
-			return ret;
+		if (arg)
+			if (IS_ERR(ret = __get_user((long)ptr,(int *)A(arg))))
+				return ret;
 		if (ap)		/* no access_ok needed, we allocated */
 			if (IS_ERR(ret = __put_user(ptr, ap++)))
 				return ret;