svn commit: r299784 - head/sbin/routed
Pedro F. Giffuni
pfg at FreeBSD.org
Sat May 14 23:32:04 UTC 2016
Author: pfg
Date: Sat May 14 23:32:03 2016
New Revision: 299784
URL: https://svnweb.freebsd.org/changeset/base/299784
Log:
Avoid NULL de-references.
CID: 271079
Obtained from: NetBSD
MFC after: 2 weeks.
Modified:
head/sbin/routed/output.c
Modified: head/sbin/routed/output.c
==============================================================================
--- head/sbin/routed/output.c Sat May 14 23:29:41 2016 (r299783)
+++ head/sbin/routed/output.c Sat May 14 23:32:03 2016 (r299784)
@@ -711,7 +711,7 @@ supply(struct sockaddr_in *dst,
switch (type) {
case OUT_MULTICAST:
- if (ifp->int_if_flags & IFF_MULTICAST)
+ if (ifp != NULL && ifp->int_if_flags & IFF_MULTICAST)
v2buf.type = OUT_MULTICAST;
else
v2buf.type = NO_OUT_MULTICAST;
@@ -757,7 +757,7 @@ supply(struct sockaddr_in *dst,
/* Fake a default route if asked and if there is not already
* a better, real default route.
*/
- if (supplier && (def_metric = ifp->int_d_metric) != 0) {
+ if (supplier && ifp && (def_metric = ifp->int_d_metric) != 0) {
if ((rt = rtget(RIP_DEFAULT, 0)) == NULL
|| rt->rt_metric+ws.metric >= def_metric) {
ws.state |= WS_ST_DEFAULT;
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