diff options
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index a06d28b119f..4688ab71bd2 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -14,6 +14,7 @@ #include <linux/device.h> #include <linux/dmapool.h> #include <linux/dma-mapping.h> +#include <linux/err.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/module.h> @@ -1712,7 +1713,7 @@ static int udc_start(struct ci13xxx *udc) if (retval) goto unreg_device; - if (udc->transceiver) { + if (!IS_ERR_OR_NULL(udc->transceiver)) { retval = otg_set_peripheral(udc->transceiver->otg, &udc->gadget); if (retval) @@ -1729,7 +1730,7 @@ static int udc_start(struct ci13xxx *udc) return retval; remove_trans: - if (udc->transceiver) { + if (!IS_ERR_OR_NULL(udc->transceiver)) { otg_set_peripheral(udc->transceiver->otg, &udc->gadget); usb_put_phy(udc->transceiver); } @@ -1740,7 +1741,7 @@ remove_dbg: unreg_device: device_unregister(&udc->gadget.dev); put_transceiver: - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) usb_put_phy(udc->transceiver); free_pools: dma_pool_destroy(udc->td_pool); @@ -1772,7 +1773,7 @@ static void udc_stop(struct ci13xxx *udc) dma_pool_destroy(udc->td_pool); dma_pool_destroy(udc->qh_pool); - if (udc->transceiver) { + if (!IS_ERR_OR_NULL(udc->transceiver)) { otg_set_peripheral(udc->transceiver->otg, NULL); usb_put_phy(udc->transceiver); } |