From: "Ethan Tidmore" <ethantidmore06@gmail.com>
To: "Ethan Tidmore" <ethantidmore06@gmail.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"Jonathan Santos" <Jonathan.Santos@analog.com>
Cc: "Michael Hennerich" <Michael.Hennerich@analog.com>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
"kernel test robot" <lkp@intel.com>,
"Dan Carpenter" <error27@gmail.com>
Subject: Re: [PATCH v2] iio: adc: ad7768-1: Fix ERR_PTR dereference in ad7768_fill_scale_tbl
Date: Fri, 13 Feb 2026 14:11:38 -0600 [thread overview]
Message-ID: <DGE3W1MJCPWG.1TZRYY7QD1PNV@gmail.com> (raw)
In-Reply-To: <20260213195141.22256-1-ethantidmore06@gmail.com>
On Fri Feb 13, 2026 at 1:51 PM CST, Ethan Tidmore wrote:
> The function iio_get_current_scan_type() can return aan error pointer,
> the return value scan_type is not checked for this and immediately
> dereferenced which can cause a kernel panic.
>
> Add check for IS_ERR() and propagate the error back.
>
> Fixes: ff085189cb17 ("iio: adc: ad7768-1: add support for ADAQ776x-1 ADC Family")
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Dan Carpenter <error27@gmail.com>
> Closes: https://lore.kernel.org/r/202602051234.5gArzLyZ-lkp@intel.com/
> Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
> ---
Sorry, ignore this v2. Just noticed typo "aan" and forgot changelog.
Will send v3 tomorrow with these two things fixed.
Thanks,
ET
prev parent reply other threads:[~2026-02-13 20:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-13 19:51 [PATCH v2] iio: adc: ad7768-1: Fix ERR_PTR dereference in ad7768_fill_scale_tbl Ethan Tidmore
2026-02-13 20:11 ` Ethan Tidmore [this message]
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