From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
to ensure gpio_is_valid return false
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/gadget/atmel_usba_udc.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index e4810c6..b5e20e8 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -2015,6 +2015,9 @@ static int __init usba_udc_probe(struct platform_device *pdev)
} else {
disable_irq(gpio_to_irq(udc->vbus_pin));
}
+ } else {
+ /* gpio_request fail so use -EINVAL for gpio_is_valid */
+ ubc->vbus_pin = -EINVAL;
}
}
--
1.7.2
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