X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=FreeRTOS%2FDemo%2FCommon%2FMinimal%2FQPeek.c;fp=FreeRTOS%2FDemo%2FCommon%2FMinimal%2FQPeek.c;h=a60d8f0d86239c9a51234e3f12ec41bd40f71856;hb=83a941cc6541b83e72fd4c5c31902fdd911dc87a;hp=1749203fa6e69be0501d454d835067c54fa9a799;hpb=6b91a49cdaada37b6dc930bb0abd56ff28a2756e;p=freertos

diff --git a/FreeRTOS/Demo/Common/Minimal/QPeek.c b/FreeRTOS/Demo/Common/Minimal/QPeek.c
index 1749203fa..a60d8f0d8 100644
--- a/FreeRTOS/Demo/Common/Minimal/QPeek.c
+++ b/FreeRTOS/Demo/Common/Minimal/QPeek.c
@@ -127,21 +127,24 @@ QueueHandle_t xQueue;
 	/* Create the queue that we are going to use for the test/demo. */
 	xQueue = xQueueCreate( qpeekQUEUE_LENGTH, sizeof( uint32_t ) );
 
-	/* vQueueAddToRegistry() adds the queue to the queue registry, if one is
-	in use.  The queue registry is provided as a means for kernel aware
-	debuggers to locate queues and has no purpose if a kernel aware debugger
-	is not being used.  The call to vQueueAddToRegistry() will be removed
-	by the pre-processor if configQUEUE_REGISTRY_SIZE is not defined or is
-	defined to be less than 1. */
-	vQueueAddToRegistry( xQueue, "QPeek_Test_Queue" );
-
-	/* Create the demo tasks and pass it the queue just created.  We are
-	passing the queue handle by value so it does not matter that it is declared
-	on the stack here. */
-	xTaskCreate( prvLowPriorityPeekTask, "PeekL", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekLOW_PRIORITY, NULL );
-	xTaskCreate( prvMediumPriorityPeekTask, "PeekM", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekMEDIUM_PRIORITY, &xMediumPriorityTask );
-	xTaskCreate( prvHighPriorityPeekTask, "PeekH1", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekHIGH_PRIORITY, &xHighPriorityTask );
-	xTaskCreate( prvHighestPriorityPeekTask, "PeekH2", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekHIGHEST_PRIORITY, &xHighestPriorityTask );
+	if( xQueue != NULL )
+	{
+		/* vQueueAddToRegistry() adds the queue to the queue registry, if one is
+		in use.  The queue registry is provided as a means for kernel aware
+		debuggers to locate queues and has no purpose if a kernel aware debugger
+		is not being used.  The call to vQueueAddToRegistry() will be removed
+		by the pre-processor if configQUEUE_REGISTRY_SIZE is not defined or is
+		defined to be less than 1. */
+		vQueueAddToRegistry( xQueue, "QPeek_Test_Queue" );
+
+		/* Create the demo tasks and pass it the queue just created.  We are
+		passing the queue handle by value so it does not matter that it is declared
+		on the stack here. */
+		xTaskCreate( prvLowPriorityPeekTask, "PeekL", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekLOW_PRIORITY, NULL );
+		xTaskCreate( prvMediumPriorityPeekTask, "PeekM", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekMEDIUM_PRIORITY, &xMediumPriorityTask );
+		xTaskCreate( prvHighPriorityPeekTask, "PeekH1", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekHIGH_PRIORITY, &xHighPriorityTask );
+		xTaskCreate( prvHighestPriorityPeekTask, "PeekH2", configMINIMAL_STACK_SIZE, ( void * ) xQueue, qpeekHIGHEST_PRIORITY, &xHighestPriorityTask );
+	}
 }
 /*-----------------------------------------------------------*/