diff options
| -rw-r--r-- | gpsmon.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -765,7 +765,7 @@ int main(int argc, char **argv) double rate = strtod(arg, NULL); const struct monitor_object_t **switcher = active; - if ((*fallback)->driver->rate_switcher) + if (fallback != NULL && (*fallback)->driver->rate_switcher != NULL) switcher = fallback; /* Ugh...should have a controlfd slot * in the session structure, really @@ -843,7 +843,7 @@ int main(int argc, char **argv) else if (serial) { const struct monitor_object_t **switcher = active; - if ((*fallback)->driver->mode_switcher) + if (fallback != NULL && (*fallback)->driver->mode_switcher != NULL) switcher = fallback; /* Ugh...should have a controlfd slot * in the session structure, really @@ -893,7 +893,7 @@ int main(int argc, char **argv) char *modespec; const struct monitor_object_t **switcher = active; - if ((*fallback)->driver->speed_switcher) + if (fallback != NULL && (*fallback)->driver->speed_switcher != NULL) switcher = fallback; modespec = strchr(arg, ':'); |