linux-kernel - Re: [PATCH 1/3] power: supply: ab8500: Fix error handling when calling iio_read_channel

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Date: Sun, 23 Jun 2024 18:16:54 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: linus.walleij@...aro.org, sre@...nel.org, linux-pm@...r.kernel.org,
 linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/3] power: supply: ab8500: Fix error handling when
 calling iio_read_channel_processed()

On Sat, 22 Jun 2024 09:04:24 +0200
Christophe JAILLET <christophe.jaillet@...adoo.fr> wrote:

> The ab8500_charger_get_[ac|vbus]_[current|voltage]() functions should
> return an error code on error.
> 
> Up to now, an un-initialized value is returned.
> This makes the error handling of the callers un-reliable.
> 
> Return the error code instead, to fix the issue.
> 
> Fixes: 97ab78bac5d0 ("power: supply: ab8500_charger: Convert to IIO ADC")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Looks right to me.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>