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platform/chrome: cros_ec: Do not attempt to register a non-positive IRQ number

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Add a layer of sanity checking to cros_ec_register against attempting to
register IRQ values that are not strictly greater than 0.

Signed-off-by: Enrico Granata <egranata@chromium.org>
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
This commit is contained in:
Gwendal Grignou 2019-11-19 13:45:46 +01:00 committed by Enric Balletbo i Serra
parent 05a3c420ea
commit da946589b1
1 changed files with 1 additions and 1 deletions
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2
drivers/platform/chrome/cros_ec.c
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@ -149,7 +149,7 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
return err;
}
if (ec_dev->irq) {
if (ec_dev->irq > 0) {
err = devm_request_threaded_irq(dev, ec_dev->irq,
ec_irq_handler,
ec_irq_thread,