From 4c73c37af14bbb8a0f002e06546436f3d96e4b2a Mon Sep 17 00:00:00 2001
From: jsg <jsg@openbsd.org>
Date: Sat, 14 Jul 2018 10:21:48 +0000
Subject: [PATCH] Don't pass an uninitialised size value to free(9).  Pointer
 argument is NULL in this path so free will return early without accessing it.

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

diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c
index 9af308c2324..0411e1c009e 100644
--- a/sys/kern/sys_generic.c
+++ b/sys/kern/sys_generic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sys_generic.c,v 1.120 2018/07/10 08:58:50 mpi Exp $	*/
+/*	$OpenBSD: sys_generic.c,v 1.121 2018/07/14 10:21:48 jsg Exp $	*/
 /*	$NetBSD: sys_generic.c,v 1.24 1996/03/29 00:25:32 cgd Exp $	*/
 
 /*
@@ -392,7 +392,7 @@ sys_ioctl(struct proc *p, void *v, register_t *retval)
 	struct filedesc *fdp = p->p_fd;
 	u_long com = SCARG(uap, com);
 	int error = 0;
-	u_int size;
+	u_int size = 0;
 	caddr_t data, memp = NULL;
 	int tmp;
 #define STK_PARAMS	128
-- 
2.20.1