From e89676f65ef372fda6c392b3f99fcc7175b206e6 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Tue, 5 Jul 2022 15:19:50 +0200 Subject: [PATCH] usb: gadget: udc: atmel: check rc of devm_gpiod_get_optional() devm_gpiod_get_optional() might still return an error code, esp. EPROBE_DEFER. Return any errors. Signed-off-by: Michael Walle Link: https://lore.kernel.org/r/20220705131951.1388968-1-michael@walle.cc Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/atmel_usba_udc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index ae2bfba..48355e0 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -2165,6 +2165,8 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, udc->vbus_pin = devm_gpiod_get_optional(&pdev->dev, "atmel,vbus", GPIOD_IN); + if (IS_ERR(udc->vbus_pin)) + return ERR_CAST(udc->vbus_pin); if (fifo_mode == 0) { udc->num_ep = udc_config->num_ep; -- 2.7.4