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Message-ID: <cd25fd96fa391d3c8a5811d995d166cbb0b0efe5.camel@sipsolutions.net>
Date: Wed, 06 Dec 2023 14:16:15 +0100
From: Johannes Berg <johannes@...solutions.net>
To: Rouven Czerwinski <r.czerwinski@...gutronix.de>, Josua Mayer
<josua@...id-run.com>, linux-wireless@...r.kernel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: kernel@...gutronix.de, stable@...r.kernel.org, "David S. Miller"
<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH] net: rfkill: gpio: set GPIO direction
On Wed, 2023-12-06 at 14:13 +0100, Rouven Czerwinski wrote:
>
> +++ b/net/rfkill/rfkill-gpio.c
> @@ -126,6 +126,16 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
> return -EINVAL;
> }
>
> + if (rfkill->reset_gpio)
> + ret = gpiod_direction_output(rfkill->reset_gpio, true);
> + if (ret)
> + return ret;
> +
> + if (rfkill->shutdown_gpio)
> + ret = gpiod_direction_output(rfkill->shutdown_gpio, true);
> + if (ret)
> + return ret;
>
That's weird, you need ret to be inside the if. It's even entirely
uninitialized if you don't have ACPI, if you don't have reset/shutdown.
johannes
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