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usb: gadget: udc: atmel: check rc of devm_gpiod_get_optional()

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devm_gpiod_get_optional() might still return an error code, esp.
EPROBE_DEFER. Return any errors.

Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20220705131951.1388968-1-michael@walle.cc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Walle 2022-07-05 15:19:50 +02:00 committed by Greg Kroah-Hartman
parent 14a6043379
commit e89676f65e
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/udc/atmel_usba_udc.c
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@ -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;