linux-kernel - Re: [PATCH next] iio: dac: ad5592r: Delete stray unlock in ad5592r_write

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Message-ID: <20250418170304.7a7efb8d@jic23-huawei>
Date: Fri, 18 Apr 2025 17:03:04 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, Lars-Peter Clausen
 <lars@...afoo.de>, Michael Hennerich <Michael.Hennerich@...log.com>, David
 Lechner <dlechner@...libre.com>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
 kernel-janitors@...r.kernel.org
Subject: Re: [PATCH next] iio: dac: ad5592r: Delete stray unlock in
 ad5592r_write_raw()

On Wed, 16 Apr 2025 14:09:33 +0300
Dan Carpenter <dan.carpenter@...aro.org> wrote:

> This code was converted to use guard locks but one of the unlocks was
> accidentally overlooked.  Delete it.
> 
> Fixes: f8fedb167ba4 ("iio: dac: ad5592r: use lock guards")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
Applied. Thanks.

> ---
>  drivers/iio/dac/ad5592r-base.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
> index 217a8a88818d..5f2cd51723f6 100644
> --- a/drivers/iio/dac/ad5592r-base.c
> +++ b/drivers/iio/dac/ad5592r-base.c
> @@ -324,10 +324,8 @@ static int ad5592r_write_raw(struct iio_dev *iio_dev,
>  
>  			ret = st->ops->reg_read(st, AD5592R_REG_CTRL,
>  						&st->cached_gp_ctrl);
> -			if (ret < 0) {
> -				mutex_unlock(&st->lock);
> +			if (ret < 0)
>  				return ret;
> -			}
>  
>  			if (chan->output) {
>  				if (gain)