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    Subject[47/66] USB: atmel_usba_udc: force vbus_pin at -EINVAL when gpio_request failled
    2.6.36-stable review patch.  If anyone has any objections, please let us know.

    ------------------

    From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

    commit 969affff54702785330de553b790372e261e93f9 upstream.

    to ensure gpio_is_valid return false

    Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
    Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/usb/gadget/atmel_usba_udc.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/drivers/usb/gadget/atmel_usba_udc.c
    +++ b/drivers/usb/gadget/atmel_usba_udc.c
    @@ -2014,6 +2014,9 @@ static int __init usba_udc_probe(struct
    } else {
    disable_irq(gpio_to_irq(udc->vbus_pin));
    }
    + } else {
    + /* gpio_request fail so use -EINVAL for gpio_is_valid */
    + ubc->vbus_pin = -EINVAL;
    }
    }




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