From 6e862e813b7f54f26aeae69511099e1d7183a7b1 Mon Sep 17 00:00:00 2001
From: mvs <mvs@openbsd.org>
Date: Thu, 13 May 2021 17:31:59 +0000
Subject: [PATCH] Assign NULL instead of 0 to `control' within sendit(). It's
 mbuf(9) pointer.

ok deraadt@
---
 sys/kern/uipc_syscalls.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c
index 4d332ea6f36..67b9baf441b 100644
--- a/sys/kern/uipc_syscalls.c
+++ b/sys/kern/uipc_syscalls.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uipc_syscalls.c,v 1.189 2021/05/13 17:02:31 mvs Exp $	*/
+/*	$OpenBSD: uipc_syscalls.c,v 1.190 2021/05/13 17:31:59 mvs Exp $	*/
 /*	$NetBSD: uipc_syscalls.c,v 1.19 1996/02/09 19:00:48 christos Exp $	*/
 
 /*
@@ -645,7 +645,7 @@ sendit(struct proc *p, int s, struct msghdr *mp, int flags, register_t *retsize)
 			    mp->msg_controllen);
 #endif
 	} else
-		control = 0;
+		control = NULL;
 #ifdef KTRACE
 	if (KTRPOINT(p, KTR_GENIO)) {
 		ktriov = mallocarray(auio.uio_iovcnt, sizeof(struct iovec),
-- 
2.20.1