* [PATCH] hwmon: (raspberrypi) Exit immediately in case of error in init
@ 2021-12-11 18:44 Armin Wolf
2021-12-17 15:31 ` Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Armin Wolf @ 2021-12-11 18:44 UTC (permalink / raw)
To: jdelvare, linux; +Cc: linux-hwmon, linux-kernel
Exit immediately if devm_hwmon_device_register_with_info()
fails since registering a delayed work whould be useless
in such a case anyway.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
---
drivers/hwmon/raspberrypi-hwmon.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/hwmon/raspberrypi-hwmon.c b/drivers/hwmon/raspberrypi-hwmon.c
index 573f53d52912..1650d3b4c26e 100644
--- a/drivers/hwmon/raspberrypi-hwmon.c
+++ b/drivers/hwmon/raspberrypi-hwmon.c
@@ -120,6 +120,8 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
data,
&rpi_chip_info,
NULL);
+ if (IS_ERR(data->hwmon_dev))
+ return PTR_ERR(data->hwmon_dev);
ret = devm_delayed_work_autocancel(dev, &data->get_values_poll_work,
get_values_poll);
@@ -127,10 +129,9 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
return ret;
platform_set_drvdata(pdev, data);
- if (!PTR_ERR_OR_ZERO(data->hwmon_dev))
- schedule_delayed_work(&data->get_values_poll_work, 2 * HZ);
+ schedule_delayed_work(&data->get_values_poll_work, 2 * HZ);
- return PTR_ERR_OR_ZERO(data->hwmon_dev);
+ return 0;
}
static struct platform_driver rpi_hwmon_driver = {
--
2.30.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] hwmon: (raspberrypi) Exit immediately in case of error in init
2021-12-11 18:44 [PATCH] hwmon: (raspberrypi) Exit immediately in case of error in init Armin Wolf
@ 2021-12-17 15:31 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2021-12-17 15:31 UTC (permalink / raw)
To: Armin Wolf; +Cc: jdelvare, linux-hwmon, linux-kernel
On Sat, Dec 11, 2021 at 07:44:49PM +0100, Armin Wolf wrote:
> Exit immediately if devm_hwmon_device_register_with_info()
> fails since registering a delayed work whould be useless
> in such a case anyway.
>
> Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Applied.
Thanks,
Guenter
> ---
> drivers/hwmon/raspberrypi-hwmon.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> --
> 2.30.2
>
> diff --git a/drivers/hwmon/raspberrypi-hwmon.c b/drivers/hwmon/raspberrypi-hwmon.c
> index 573f53d52912..1650d3b4c26e 100644
> --- a/drivers/hwmon/raspberrypi-hwmon.c
> +++ b/drivers/hwmon/raspberrypi-hwmon.c
> @@ -120,6 +120,8 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
> data,
> &rpi_chip_info,
> NULL);
> + if (IS_ERR(data->hwmon_dev))
> + return PTR_ERR(data->hwmon_dev);
>
> ret = devm_delayed_work_autocancel(dev, &data->get_values_poll_work,
> get_values_poll);
> @@ -127,10 +129,9 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
> return ret;
> platform_set_drvdata(pdev, data);
>
> - if (!PTR_ERR_OR_ZERO(data->hwmon_dev))
> - schedule_delayed_work(&data->get_values_poll_work, 2 * HZ);
> + schedule_delayed_work(&data->get_values_poll_work, 2 * HZ);
>
> - return PTR_ERR_OR_ZERO(data->hwmon_dev);
> + return 0;
> }
>
> static struct platform_driver rpi_hwmon_driver = {
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-12-11 18:44 [PATCH] hwmon: (raspberrypi) Exit immediately in case of error in init Armin Wolf
2021-12-17 15:31 ` Guenter Roeck
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