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Subject[PATCH 1/2] mfd: cros_ec: Do not attempt to register a non-positive IRQ number
From
From: Enrico Granata <egranata@chromium.org>

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@google.com>
Signed-off-by: Enrico Granata <egranata@chromium.org>
---
drivers/mfd/cros_ec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
index 65a9757a6d21..d6b21e11cad6 100644
--- a/drivers/mfd/cros_ec.c
+++ b/drivers/mfd/cros_ec.c
@@ -118,7 +118,7 @@ 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, NULL,
ec_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"chromeos-ec", ec_dev);
--
2.19.0.605.g01d371f741-goog
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