diff options
Diffstat (limited to 'isisd/isis_pdu.c')
| -rw-r--r-- | isisd/isis_pdu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c index 436240ef..3e5154c6 100644 --- a/isisd/isis_pdu.c +++ b/isisd/isis_pdu.c @@ -141,6 +141,9 @@ ip_match (struct list *left, struct list *right) struct in_addr *ip2; struct listnode *node1, *node2; + if ((left == NULL) || (right == NULL)) + return 0; + LIST_LOOP (left, ip1, node1) { LIST_LOOP (right, ip2, node2) |