Merge pull request #89 from arneboe/fix_call_user_cb

fix: do not invoke user_cb for unknown rdm pids
someweisguy · Aug 19, 2023 · c3d8053 · c3d8053
2 parents a949461 + 25d897f
commit c3d8053
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/dmx/hal.c b/src/dmx/hal.c
@@ -1084,7 +1084,7 @@ size_t dmx_receive(dmx_port_t dmx_num, dmx_packet_t *packet,
   }
 
   // Call the user-side callback
-  if (driver->rdm_cbs[cb_num].user_cb != NULL) {
+  if (cb_num < driver->num_rdm_cbs && driver->rdm_cbs[cb_num].user_cb != NULL) {
     void *context = driver->rdm_cbs[cb_num].context;
     driver->rdm_cbs[cb_num].user_cb(dmx_num, &header, context);
   }