[PATCH 05/13] platform: chrome: cros_ec: Do not attempt to register a non-positive IRQ number

Gwendal Grignou
2019-09-22T17:51:23Z

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>
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
---
drivers/platform/chrome/cros_ec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c
index f49eb1d1e3cd..9c8dc7cdb2b7 100644
--- a/drivers/platform/chrome/cros_ec.c
+++ b/drivers/platform/chrome/cros_ec.c
@@ -146,7 +146,7 @@ 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, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
--
2.23.0.351.gc4317032e6-goog