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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1bd49e142bdfd6faa246dbbd208cd7d2e01d4857.camel@gmail.com>
Date: Wed, 16 Apr 2025 14:19:18 +0100
From: Nuno Sá <noname.nuno@...il.com>
To: Dan Carpenter <dan.carpenter@...aro.org>, Bartosz Golaszewski
	 <bartosz.golaszewski@...aro.org>
Cc: Lars-Peter Clausen <lars@...afoo.de>, Michael Hennerich	
 <Michael.Hennerich@...log.com>, Jonathan Cameron <jic23@...nel.org>, 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, 2025-04-16 at 14:09 +0300, Dan Carpenter 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>
> ---

Reviewed-by: Nuno Sá <nuno.sa@...log.com>

Thx!
- Nuno Sá
>  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)