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Coverity CID 1089: Add more KASSERTs to prevent NULL deref.

This commit is contained in:
christos 2006-04-14 23:15:21 +00:00
parent ff57dc92a8
commit ce9b807645
1 changed files with 9 additions and 4 deletions
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13
sys/kern/uipc_usrreq.c
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@ -1,4 +1,4 @@
/* $NetBSD: uipc_usrreq.c,v 1.89 2006/04/14 23:12:14 christos Exp $ */
/* $NetBSD: uipc_usrreq.c,v 1.90 2006/04/14 23:15:21 christos Exp $ */
/*-
* Copyright (c) 1998, 2000, 2004 The NetBSD Foundation, Inc.
@ -103,7 +103,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uipc_usrreq.c,v 1.89 2006/04/14 23:12:14 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: uipc_usrreq.c,v 1.90 2006/04/14 23:15:21 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -229,6 +229,7 @@ uipc_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam,
break;
case PRU_BIND:
KASSERT(l != NULL);
error = unp_bind(unp, nam, l);
break;
@ -238,6 +239,7 @@ uipc_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam,
break;
case PRU_CONNECT:
KASSERT(l != NULL);
error = unp_connect(so, nam, l);
break;
@ -306,8 +308,10 @@ uipc_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam,
* has the side-effect of preventing a caller from
* forging SCM_CREDS.
*/
if (control && (error = unp_internalize(control, l))) {
goto die;
if (control) {
KASSERT(l != NULL);
if ((error = unp_internalize(control, l)) != 0)
goto die;
}
switch (so->so_type) {
@ -317,6 +321,7 @@ uipc_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam,
error = EISCONN;
goto die;
}
KASSERT(l != NULL);
error = unp_connect(so, nam, l);
if (error) {
die: