correct oops in recent outbound registration rework (bug #4461)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5841 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -8181,8 +8181,12 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
 		r->call = NULL;
 		ast_sched_del(sched, r->timeout);
 		break;
-	case 200:
+	case 200:	/* 200 OK */
-		if (r) {
+		if (!r) {
+			ast_log(LOG_WARNING, "Got 200 OK on REGISTER that isn't a register\n");
+			ast_set_flag(p, SIP_NEEDDESTROY);	
+			return 0;
+		}
 		int expires, expires_ms;
 
 		r->regstate=REG_STATE_REGISTERED;
@@ -8245,15 +8249,6 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
 		/* Schedule re-registration before we expire */
 		r->expire=ast_sched_add(sched, expires_ms, sip_reregister, r); 
 		ASTOBJ_UNREF(r, sip_registry_destroy);
-		} else {
-			if (r->expire)
-				ast_log(LOG_WARNING, "Got 200 OK on REGISTER that is already done\n");
-			else
-				ast_log(LOG_WARNING, "Got 200 OK on REGISTER that isn't a register\n");
-			ast_set_flag(p, SIP_NEEDDESTROY);	
-			return 0;
-		}
-
 	}
 	return 1;
 }