freetdm: only handle zt events when FTDM_CHANNEL_EVENT is set

diff --git a/libs/freetdm/src/ftmod/ftmod_zt/ftmod_zt.c b/libs/freetdm/src/ftmod/ftmod_zt/ftmod_zt.c
index 6c6d6ddd15c7b242fb11dc19d3fb02a9ba283c7f..1b55b739fca6d4ab808f9e2cf074d77777a65d1d 100644 (file)
--- a/libs/freetdm/src/ftmod/ftmod_zt/ftmod_zt.c
+++ b/libs/freetdm/src/ftmod/ftmod_zt/ftmod_zt.c
@@ -1131,26 +1131,26 @@ FIO_SPAN_NEXT_EVENT_FUNCTION(zt_next_event)
                ftdm_channel_t *fchan = span->channels[i];
                if (ftdm_test_flag(fchan, FTDM_CHANNEL_EVENT)) {
                        ftdm_clear_flag(fchan, FTDM_CHANNEL_EVENT);
-               }
-               if (ioctl(fchan->sockfd, codes.GETEVENT, &zt_event_id) == -1) {
-                       snprintf(span->last_error, sizeof(span->last_error), "%s", strerror(errno));
-                       return FTDM_FAIL;
-               }
+                       if (ioctl(fchan->sockfd, codes.GETEVENT, &zt_event_id) == -1) {
+                               snprintf(span->last_error, sizeof(span->last_error), "%s", strerror(errno));
+                               return FTDM_FAIL;
+                       }
 
-               ftdm_channel_lock(fchan);
-               if ((zt_channel_process_event(fchan, &event_id, zt_event_id)) != FTDM_SUCCESS) {
-                       ftdm_log_chan_msg(fchan, FTDM_LOG_ERROR, "Failed to process event from channel\n");
+                       ftdm_channel_lock(fchan);
+                       if ((zt_channel_process_event(fchan, &event_id, zt_event_id)) != FTDM_SUCCESS) {
+                               ftdm_log_chan_msg(fchan, FTDM_LOG_ERROR, "Failed to process event from channel\n");
+                               ftdm_channel_unlock(fchan);
+                               return FTDM_FAIL;
+                       }
                        ftdm_channel_unlock(fchan);
-                       return FTDM_FAIL;
-               }
-               ftdm_channel_unlock(fchan);
 
-               fchan->last_event_time = 0;
-               span->event_header.e_type = FTDM_EVENT_OOB;
-               span->event_header.enum_id = event_id;
-               span->event_header.channel = fchan;
-               *event = &span->event_header;
-               return FTDM_SUCCESS;
+                       fchan->last_event_time = 0;
+                       span->event_header.e_type = FTDM_EVENT_OOB;
+                       span->event_header.enum_id = event_id;
+                       span->event_header.channel = fchan;
+                       *event = &span->event_header;
+                       return FTDM_SUCCESS;
+               }
        }
 
        return FTDM_FAIL;