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| author | Michael Walle <michael@walle.cc> | 2022-07-05 15:19:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-08 14:49:33 +0200 |
| commit | e89676f65ef372fda6c392b3f99fcc7175b206e6 (patch) | |
| tree | 02c371b679431decd8fc8d56d55959ced5b98c70 | |
| parent | 14a6043379e2132c11b815972c0e2201e68d7467 (diff) | |
| download | linux-e89676f65ef372fda6c392b3f99fcc7175b206e6.tar.bz2 | |
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 <michael@walle.cc>
Link: https://lore.kernel.org/r/20220705131951.1388968-1-michael@walle.cc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/gadget/udc/atmel_usba_udc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index ae2bfbac603e..48355e0cee76 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; |