efi_loader: event queueing

When a new event is queued we have to process the event queue by calling
efi_process_event_queue(). But there is not reason to call the function
when the event is not queueable.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

lib/efi_loader/efi_boottime.c

@@ -247,8 +247,8 @@ static void efi_queue_event(struct efi_event *event)
 		}
 		if (event)
 			list_add_tail(&event->queue_link, &efi_event_queue);
+		efi_process_event_queue();
 	}
-	efi_process_event_queue();
 }
 
 /**