[sr-dev] git:4.2:2556a840: dmq: safety check for peer_list when calling the callbacks

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 4.2
Commit: 2556a840208f4d16973772547af8258f314cef8c
URL: https://github.com/kamailio/kamailio/commit/2556a840208f4d16973772547af8258f314cef8c

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2015-01-08T14:25:13+01:00

dmq: safety check for peer_list when calling the callbacks

- can result in crashing if it is not set
- reported by Olle E. Johansson

(cherry picked from commit cc5f96f9c847d285085b0b9809ff0db76ea0a835)

---

Modified: modules/dmq/notification_peer.c

---

Diff:  https://github.com/kamailio/kamailio/commit/2556a840208f4d16973772547af8258f314cef8c.diff
Patch: https://github.com/kamailio/kamailio/commit/2556a840208f4d16973772547af8258f314cef8c.patch

---

diff --git a/modules/dmq/notification_peer.c b/modules/dmq/notification_peer.c
index 1d804bd..b493717 100644
--- a/modules/dmq/notification_peer.c
+++ b/modules/dmq/notification_peer.c
@@ -173,6 +173,10 @@ int extract_node_list(dmq_node_list_t* update_list, struct sip_msg* msg)
 int run_init_callbacks() {
 	dmq_peer_t* crt;
 
+	if(peer_list==0) {
+		LM_WARN("peer list is null\n");
+		return 0;
+	}
 	crt = peer_list->peers;
 	while(crt) {
 		if (crt->init_callback) {