coap_address.c: Check for NULL ptr in is_bcast()

obgm · Sep 12, 2023 · 317b9b7 · 317b9b7
1 parent 1db8eda
commit 317b9b7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/coap_address.c b/src/coap_address.c
@@ -216,7 +216,7 @@ coap_is_bcast(const coap_address_t *a) {
  last_refresh = now;
  ife = ifa;
  while (ife && bcst_cnt < COAP_BCST_CNT) {
- if (ife->ifa_addr->sa_family == AF_INET &&
+ if (ife->ifa_addr && ife->ifa_addr->sa_family == AF_INET &&
  ife->ifa_flags & IFF_BROADCAST) {
  b_ipv4[bcst_cnt].s_addr = ((struct sockaddr_in *)ife->ifa_broadaddr)->sin_addr.s_addr;
  bcst_cnt++;