linux-kernel - Re: [34-longterm 251/260] USB: atmel_usba_udc: force vbus_pin at -EINVAL when gpio

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Date:	Wed, 5 Jan 2011 19:59:17 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	stable@...nel.org, linux-kernel@...r.kernel.org,
	stable-review@...nel.org, Nicolas Ferre <nicolas.ferre@...el.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [34-longterm 251/260] USB: atmel_usba_udc: force vbus_pin at
 -EINVAL when gpio_request failled

On 02:19 Sun 02 Jan     , Paul Gortmaker wrote:
> From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
> 
> commit 969affff54702785330de553b790372e261e93f9 upstream.
> 
> to ensure gpio_is_valid return false
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
> ---
>  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 75a256f..8fd88e1 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;
there is a typo here
please change to 
			udc->vbus_pin = -EINVAL;

Best Regards,
J.
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