fix: only subscribe if IO exists

elektrofuzzis · Jan 11, 2024 · 4562570 · 4562570
1 parent 87b9ab2
commit 4562570
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/ftswarm-core/src/SwOSSwarm.cpp b/src/ftswarm-core/src/SwOSSwarm.cpp
@@ -396,10 +396,11 @@ void SwOSSwarm::halt( void ) {
 }
 
 void SwOSSwarm::unsubscribe( void ) {
-
   for (uint8_t i=0; i<=maxCtrl; i++)
-    Ctrl[i]->unsubscribe( true );
-
+    if ( Ctrl[i])
+      Ctrl[i]->unsubscribe( true );
+    else
+      printf("[ERROR]: unsubscribe: Ctrl[%d] is NULL\n", i );
 }
 
 uint8_t SwOSSwarm::getIndex( FtSwarmSerialNumber_t serialNumber ) {