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

Message ID 20190922175021.53449-6-gwendal@chromium.org (mailing list archive)
State New, archived
Headers show
Series cros_ec: Add sensorhub driver and FIFO processing | expand

Commit Message

Gwendal Grignou Sept. 22, 2019, 5:50 p.m. UTC
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(-)

Comments

Enric Balletbo i Serra Oct. 1, 2019, 10:32 a.m. UTC | #1
Hi Gwendal and Enrico

On 22/9/19 19:50, Gwendal Grignou wrote:
> 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>

I'll get rid of this signed-off as is the same as following

> Signed-off-by: Enrico Granata <egranata@chromium.org>
> Signed-off-by: Gwendal Grignou <gwendal@chromium.org>

For my own reference:

Reviewed-for-chrome-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

> ---
>  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,
>
diff mbox series

Patch

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,