Added a call to vApplicationMallocFailedHook() when pvPortMalloc() returns NULL.

Source/portable/MemMang/heap_1.c

@@ -120,6 +120,16 @@ void *pvReturn = NULL;
 		}	
 	}
 	xTaskResumeAll();
+	
+	#if( configUSE_MALLOC_FAILED_HOOK == 1 )
+	{
+		if( pvReturn == NULL )
+		{
+			extern void vApplicationMallocFailedHook( void );
+			vApplicationMallocFailedHook();
+		}
+	}
+	#endif	
 
 	return pvReturn;
 }

Source/portable/MemMang/heap_2.c

@@ -230,6 +230,16 @@ void *pvReturn = NULL;
 	}
 	xTaskResumeAll();
 
+	#if( configUSE_MALLOC_FAILED_HOOK == 1 )
+	{
+		if( pvReturn == NULL )
+		{
+			extern void vApplicationMallocFailedHook( void );
+			vApplicationMallocFailedHook();
+		}
+	}
+	#endif
+	
 	return pvReturn;
 }
 /*-----------------------------------------------------------*/

Source/portable/MemMang/heap_3.c

@@ -74,6 +74,16 @@ void *pvReturn;
 	}
 	xTaskResumeAll();
 
+	#if( configUSE_MALLOC_FAILED_HOOK == 1 )
+	{
+		if( pvReturn == NULL )
+		{
+			extern void vApplicationMallocFailedHook( void );
+			vApplicationMallocFailedHook();
+		}
+	}
+	#endif
+	
 	return pvReturn;
 }
 /*-----------------------------------------------------------*/