This check is hardly required and alas is wrong. 'c' might be NULL but the chances are low that 'controller' after the container_of() becomes NULL. Since no other DMA implementation is doing that and musb-core does not call it with a NULL pointer it can dropped. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> --- drivers/usb/musb/musbhsdma.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index 3d1fd52..3f5e121 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -371,9 +371,6 @@ void dma_controller_destroy(struct dma_controller *c) struct musb_dma_controller *controller = container_of(c, struct musb_dma_controller, controller); - if (!controller) - return; - if (controller->irq) free_irq(controller->irq, c); -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
