- Clean INC_COUNT flag when we decrement call counter

- If it's still set at time of dialog destruction, make sure we decrement the device call counter properly
  before we destroy the dialog


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@53085 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -2885,6 +2885,12 @@ static void __sip_destroy(struct sip_pvt *p, int lockowner)
 	if (sip_debug_test_pvt(p) || option_debug > 2)
 		ast_verbose("Really destroying SIP dialog '%s' Method: %s\n", p->callid, sip_methods[p->method].text);
 
+	if (ast_test_flag(&p->flags[0], SIP_INC_COUNT)) {
+		update_call_counter(p, DEC_CALL_LIMIT);
+		if (option_debug > 1)
+			ast_log(LOG_DEBUG, "This call did not properly clean up call limits. Call ID %s\n", p->callid);
+	}
+
 	/* Remove link from peer to subscription of MWI */
 	if (p->relatedpeer && p->relatedpeer->mwipvt)
 		p->relatedpeer->mwipvt = NULL;
@@ -3020,8 +3026,10 @@ static int update_call_counter(struct sip_pvt *fup, int event)
 	/* incoming and outgoing affects the inUse counter */
 	case DEC_CALL_LIMIT:
 		if ( *inuse > 0 ) {
-			if (ast_test_flag(&fup->flags[0], SIP_INC_COUNT))
+			if (ast_test_flag(&fup->flags[0], SIP_INC_COUNT)) {
 				(*inuse)--;
+				ast_clear_flag(&fup->flags[0], SIP_INC_COUNT);
+			}
 		} else {
 			*inuse = 0;
 		}