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Fri, 14 Aug 2026 02:07:51 -0700 (PDT) From: Arka Mondal To: nuno.sa@analog.com, Michael.Hennerich@analog.com, jic23@kernel.org Cc: dlechner@baylibre.com, andy@kernel.org, venkat.prashanth2498@gmail.com, rohitsarkar5398@gmail.com, linux@analog.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Arka Mondal Subject: [PATCH 1/3] iio: imu: adis16480: fix unprotected debugfs reads Date: Fri, 14 Aug 2026 18:07:26 +0900 Message-ID: <20260814090728.965922-1-arkamondalofficial@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The firmware_revision and firmware_date file operations are open coded and never call debugfs_file_get(), which debugfs_create_file_unsafe() requires. debugfs_remove_recursive() therefore does not wait for a read in progress, and unbind frees the iio_dev underneath it. Use debugfs_create_file() instead. Fixes: 9bf94f836e32 ("imu:adis16480: fix debugfs_simple_attr.cocci warnings") Signed-off-by: Arka Mondal --- Compile tested only; no relevant hardware available. drivers/iio/imu/adis16480.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index e009f3824768..254b7ff25b66 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -309,9 +309,9 @@ static void adis16480_debugfs_init(struct iio_dev *indio_dev) if (!IS_ENABLED(CONFIG_DEBUG_FS)) return; - debugfs_create_file_unsafe("firmware_revision", 0400, + debugfs_create_file("firmware_revision", 0400, d, adis16480, &adis16480_firmware_revision_fops); - debugfs_create_file_unsafe("firmware_date", 0400, + debugfs_create_file("firmware_date", 0400, d, adis16480, &adis16480_firmware_date_fops); debugfs_create_file_unsafe("serial_number", 0400, d, adis16480, &adis16480_serial_number_fops); -- 2.55.0