USB: atmel_usba_udc: force vbus_pin at -EINVAL when gpio_request failled
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> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -2015,6 +2015,9 @@ static int __init usba_udc_probe(struct platform_device *pdev)
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} else {
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} else {
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disable_irq(gpio_to_irq(udc->vbus_pin));
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disable_irq(gpio_to_irq(udc->vbus_pin));
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}
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}
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} else {
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/* gpio_request fail so use -EINVAL for gpio_is_valid */
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ubc->vbus_pin = -EINVAL;
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}
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}
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}
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}
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