From: Joshua Crofts <joshua.crofts1@gmail.com>
To: "Jonathan Cameron" <jonathan.cameron@oss.qualcomm.com>,
"Nuno Sá" <nuno.sa@analog.com>
Cc: linux-iio@vger.kernel.org, David Lechner <dlechner@baylibre.com>,
Andy Shevchenko <andy@kernel.org>
Subject: Re: [PATCH 12/22] iio: dac: max517: Remove redundant i2c_master_send() length check
Date: Thu, 16 Jul 2026 09:45:14 +0200 [thread overview]
Message-ID: <20260716094514.00001eaa@gmail.com> (raw)
In-Reply-To: <20260716005737.254577-13-jonathan.cameron@oss.qualcomm.com>
On Wed, 15 Jul 2026 17:57:27 -0700
Jonathan Cameron <jonathan.cameron@oss.qualcomm.com> wrote:
> i2c_master_send() returns either a negative errno or exactly the count
> passed in, so the length check after the 'ret < 0' test can never be
> true. Drop the dead branch.
>
> Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
> Assisted-by: Claude:claude-opus-4-8
> ---
> drivers/iio/dac/max517.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/iio/dac/max517.c b/drivers/iio/dac/max517.c
> index d2ddc72e0e50..e0d1a26c4f73 100644
> --- a/drivers/iio/dac/max517.c
> +++ b/drivers/iio/dac/max517.c
> @@ -55,10 +55,8 @@ static int max517_set_value(struct iio_dev *indio_dev,
> res = i2c_master_send(client, outbuf, 2);
Someone should also remove all the hard-coded sizes, they appear in multiple
drivers you're touching.
--
Kind regards
CJD
next prev parent reply other threads:[~2026-07-16 7:45 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-16 0:57 [RESEND PATCH 00/22] IIO: Clean out superfluous I2C checks for single transfers Jonathan Cameron
2026-07-16 0:57 ` [PATCH 01/22] iio: adc: ltc2471: Remove redundant i2c_master_recv() length check Jonathan Cameron
2026-07-16 0:57 ` [PATCH 02/22] iio: adc: ti-ads7138: Remove redundant i2c_master_send() length checks Jonathan Cameron
2026-07-16 0:57 ` [PATCH 03/22] iio: adc: versal-sysmon: Remove redundant i2c_master_{send,recv}() " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 04/22] iio: chemical: scd30: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 05/22] iio: chemical: scd4x: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 06/22] iio: chemical: sgp30: Remove redundant i2c_master_recv() length check Jonathan Cameron
2026-07-16 0:57 ` [PATCH 07/22] iio: chemical: sgp40: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 08/22] iio: chemical: sps30: Remove redundant i2c_master_{send,recv}() length checks Jonathan Cameron
2026-07-16 0:57 ` [PATCH 09/22] iio: dac: ad5446: Remove redundant i2c_master_send() length check Jonathan Cameron
2026-07-16 0:57 ` [PATCH 10/22] iio: dac: ad5696: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 11/22] iio: dac: m62332: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 12/22] iio: dac: max517: " Jonathan Cameron
2026-07-16 7:45 ` Joshua Crofts [this message]
2026-07-16 0:57 ` [PATCH 13/22] iio: dac: max5821: Remove redundant i2c_master_{send,recv}() length checks Jonathan Cameron
2026-07-16 0:57 ` [PATCH 14/22] iio: dac: mcp4725: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 15/22] iio: dac: mcp4728: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 16/22] iio: light: lv0104cs: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 17/22] iio: potentiometer: ad5110: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 18/22] iio: pressure: abp2030pa: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 19/22] iio: pressure: adp810: " Jonathan Cameron
2026-07-16 0:57 ` [PATCH 20/22] iio: pressure: icp10100: Remove redundant i2c_master_send() length check Jonathan Cameron
2026-07-16 0:57 ` [PATCH 21/22] iio: pressure: mprls0025pa: Remove redundant i2c_master_{send,recv}() length checks Jonathan Cameron
2026-07-16 0:57 ` [PATCH 22/22] iio: pressure: sdp500: Remove redundant i2c_master_recv() length check Jonathan Cameron
2026-07-16 8:01 ` [RESEND PATCH 00/22] IIO: Clean out superfluous I2C checks for single transfers Joshua Crofts
2026-07-16 10:15 ` Nuno Sá
2026-07-16 14:55 ` Lars-Peter Clausen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260716094514.00001eaa@gmail.com \
--to=joshua.crofts1@gmail.com \
--cc=andy@kernel.org \
--cc=dlechner@baylibre.com \
--cc=jonathan.cameron@oss.qualcomm.com \
--cc=linux-iio@vger.kernel.org \
--cc=nuno.sa@analog.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.