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Fri, 13 Feb 2026 12:11:40 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Feb 2026 14:11:38 -0600 Message-Id: To: "Ethan Tidmore" , "Jonathan Cameron" , "Jonathan Santos" Cc: "Michael Hennerich" , "Lars-Peter Clausen" , "David Lechner" , =?utf-8?q?Nuno_S=C3=A1?= , "Andy Shevchenko" , , , "kernel test robot" , "Dan Carpenter" Subject: Re: [PATCH v2] iio: adc: ad7768-1: Fix ERR_PTR dereference in ad7768_fill_scale_tbl From: "Ethan Tidmore" X-Mailer: aerc 0.21.0 References: <20260213195141.22256-1-ethantidmore06@gmail.com> 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 > Reported-by: Dan Carpenter > Closes: https://lore.kernel.org/r/202602051234.5gArzLyZ-lkp@intel.com/ > Signed-off-by: Ethan Tidmore > --- Sorry, ignore this v2. Just noticed typo "aan" and forgot changelog. Will send v3 tomorrow with these two things fixed. Thanks, ET