Add missing unlock to an exception condition in reload_config().

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@291109 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -16740,9 +16740,13 @@ static int handle_request_register(struct sip_pvt *p, struct sip_request *req, s
 	return res;
 }
 
-/*! \brief Handle incoming SIP requests (methods) 
-\note	This is where all incoming requests go first   */
-/* called with p and p->owner locked */
+/*!
+ * \brief Handle incoming SIP requests (methods)
+ * \note
+ * This is where all incoming requests go first.
+ * \note
+ * called with p and p->owner locked
+ */
 static int handle_request(struct sip_pvt *p, struct sip_request *req, struct sockaddr_in *sin, int *recount, int *nounlock)
 {
 	/* Called with p->lock held, as well as p->owner->lock if appropriate, keeping things
@@ -19167,6 +19171,7 @@ static int reload_config(enum channelreloadreason reason)
 		if (sipsock < 0) {
 			ast_log(LOG_WARNING, "Unable to create SIP socket: %s\n", strerror(errno));
 			ast_config_destroy(cfg);
+			ast_mutex_unlock(&netlock);
 			return -1;
 		} else {
 			/* Allow SIP clients on the same host to access us: */