freetdm: ftdm_gsm: Fix a few compilation warnings

diff --git a/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c b/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c
index 58b7789fe2db6989677bf01a74259f3f918db998..16d576da371e7a6902507eedf46674e41e9516db 100755 (executable)
--- a/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c
+++ b/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c
@@ -1071,6 +1071,10 @@ static void *ftdm_gsm_run(ftdm_thread_t *me, void *obj)
                                        memset(buffer, 0, sizeof(buffer));
 
                                        n = read_channel(gsm_data->dchan, buffer, sizeof(buffer)-1);
+                                       if (n < 0) {
+                                               ftdm_log(FTDM_LOG_ERROR, "Failed to read from GSM data channel on span %s\n", span->name);
+                                               continue;
+                                       }
                                        m = strlen(buffer);     
                                        wat_span_process_read(span->span_id, buffer, m);
 #if     LOG_SIG_DATA
@@ -1180,8 +1184,8 @@ COMMAND_HANDLER(status)
        const wat_chip_info_t *chip_info = NULL;
        const wat_sim_info_t *sim_info = NULL;
        const wat_net_info_t *net_info = NULL;
-       const wat_sig_info_t *sig_info = NULL;
-       const wat_pin_stat_t *pin_stat = NULL;
+       //const wat_sig_info_t *sig_info = NULL;
+       //const wat_pin_stat_t *pin_stat = NULL;
 
        
        span_id = atoi(argv[0]);
@@ -1198,8 +1202,8 @@ COMMAND_HANDLER(status)
        chip_info = wat_span_get_chip_info(span->span_id);      
        sim_info = wat_span_get_sim_info(span->span_id);
        net_info = wat_span_get_net_info(span->span_id);
-       sig_info = wat_span_get_sig_info(span->span_id);
-       pin_stat = wat_span_get_pin_info(span->span_id);
+       //sig_info = wat_span_get_sig_info(span->span_id);
+       //pin_stat = wat_span_get_pin_info(span->span_id);
        
        stream->write_function(stream, "Span %d (%s):\n",  span->span_id, span->name);