* Re: [PATCH] power: supply: generic-adc-battery: remove redundant return code assignment
[not found] <20230317170007.25692-1-aagusev@ispras.ru>
@ 2023-03-17 19:40 ` Sebastian Reichel
0 siblings, 0 replies; only message in thread
From: Sebastian Reichel @ 2023-03-17 19:40 UTC (permalink / raw)
To: Anton Gusev; +Cc: linux-pm, linux-kernel, lvc-project
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Hi,
On Fri, Mar 17, 2023 at 08:00:07PM +0300, Anton Gusev wrote:
> Since any subsequent uses of ret reassign it first and PTR_ERR does not
> have any effect on its own, this line has no effect and can be removed.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Signed-off-by: Anton Gusev <aagusev@ispras.ru>
> ---
Thanks, but the correct thing to do is using ret, which is WIP:
https://lore.kernel.org/linux-pm/20230314225535.1321736-4-sre@kernel.org/T/#u
-- Sebastian
> drivers/power/supply/generic-adc-battery.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
> index 66039c665dd1..b51e5c4b36ff 100644
> --- a/drivers/power/supply/generic-adc-battery.c
> +++ b/drivers/power/supply/generic-adc-battery.c
> @@ -285,7 +285,6 @@ static int gab_probe(struct platform_device *pdev)
> adc_bat->channel[chan] = iio_channel_get(&pdev->dev,
> gab_chan_name[chan]);
> if (IS_ERR(adc_bat->channel[chan])) {
> - ret = PTR_ERR(adc_bat->channel[chan]);
> adc_bat->channel[chan] = NULL;
> } else {
> /* copying properties for supported channels only */
> --
> 2.39.2
>
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2023-03-17 19:40 ` [PATCH] power: supply: generic-adc-battery: remove redundant return code assignment Sebastian Reichel
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