public inbox for linux-arm-kernel@lists.infradead.org
 help / color / mirror / Atom feed
From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Felix Gu <ustc.gu@gmail.com>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
	"David Lechner" <dlechner@baylibre.com>,
	"Nuno Sá" <nuno.sa@analog.com>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Neil Armstrong" <neil.armstrong@linaro.org>,
	"Kevin Hilman" <khilman@baylibre.com>,
	"Jerome Brunet" <jbrunet@baylibre.com>,
	"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
	"Rosen Penev" <rosenp@gmail.com>,
	linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iio: adc: meson-saradc: fix calibration buffer leak on error
Date: Mon, 27 Apr 2026 10:44:58 +0300	[thread overview]
Message-ID: <ae8T-pU8Pf9xaCKy@ashevche-desk.local> (raw)
In-Reply-To: <20260426-meson_saradc-v1-1-6e96b2982c43@gmail.com>

On Sun, Apr 26, 2026 at 12:07:24AM +0800, Felix Gu wrote:
> meson_sar_adc_temp_sensor_init() allocates a buffer with
> nvmem_cell_read(), but the old code leaked it if
> syscon_regmap_lookup_by_phandle() failed.

> Switch buf to __free(kfree) so all return paths release it.

__free() is defined in cleanup.h which is missing in the driver. Please add the
include to it.

-- 
With Best Regards,
Andy Shevchenko




      parent reply	other threads:[~2026-04-27  7:45 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-25 16:07 [PATCH] iio: adc: meson-saradc: fix calibration buffer leak on error Felix Gu
2026-04-25 16:17 ` David Lechner
2026-04-25 18:44   ` Jonathan Cameron
2026-04-25 23:16     ` David Lechner
2026-04-26  3:54       ` Felix Gu
2026-04-26 10:40         ` Jonathan Cameron
2026-04-25 19:20 ` Rosen Penev
2026-04-26 10:41   ` Jonathan Cameron
2026-04-26 15:26     ` Felix Gu
2026-04-27  9:54       ` Jonathan Cameron
2026-04-27  7:44 ` Andy Shevchenko [this message]

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=ae8T-pU8Pf9xaCKy@ashevche-desk.local \
    --to=andriy.shevchenko@intel.com \
    --cc=andy@kernel.org \
    --cc=dlechner@baylibre.com \
    --cc=jbrunet@baylibre.com \
    --cc=jic23@kernel.org \
    --cc=khilman@baylibre.com \
    --cc=linux-amlogic@lists.infradead.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-iio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=martin.blumenstingl@googlemail.com \
    --cc=neil.armstrong@linaro.org \
    --cc=nuno.sa@analog.com \
    --cc=rosenp@gmail.com \
    --cc=ustc.gu@gmail.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox