Check if a queue is present. Return an error otherwise

Marc Emmers · Marc Emmers · commit d55f6a991501 · 2018-10-29T13:56:45.000+01:00
diff --git a/features/cellular/easy_cellular/CellularConnectionFSM.cpp b/features/cellular/easy_cellular/CellularConnectionFSM.cpp
@@ -136,6 +136,10 @@ nsapi_error_t CellularConnectionFSM::init()
     }
 
     _at_queue = _cellularDevice->get_queue();
+    if (!_at_queue) {
+        stop();
+        return NSAPI_ERROR_NO_MEMORY;
+    }
     _at_queue->chain(&_queue);
 
     _retry_count = 0;

Original file line number	Diff line number	Diff line change
`@@ -136,6 +136,10 @@ nsapi_error_t CellularConnectionFSM::init()`
`136`	`136`	`}`
`137`	`137`
`138`	`138`	`_at_queue = _cellularDevice->get_queue();`
	`139`	`+ if (!_at_queue) {`
	`140`	`+ stop();`
	`141`	`+ return NSAPI_ERROR_NO_MEMORY;`
	`142`	`+ }`
`139`	`143`	`_at_queue->chain(&_queue);`
`140`	`144`
`141`	`145`	`_retry_count = 0;`