This is a note to let you know that I've just added the patch titled iio: imu: adis16400: release allocated memory on failure to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: iio-imu-adis16400-release-allocated-memory-on-failure.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Mon Mar 15 01:10:25 PM CET 2021 From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> Date: Sat, 13 Mar 2021 18:29:49 +0100 Subject: iio: imu: adis16400: release allocated memory on failure To: stable@xxxxxxxxxxxxxxx Cc: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>, Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>, Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>, Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> Message-ID: <20210313172950.6224-1-krzysztof.kozlowski@xxxxxxxxxxxxx> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> commit ab612b1daf415b62c58e130cb3d0f30b255a14d0 upstream. In adis_update_scan_mode, if allocation for adis->buffer fails, previously allocated adis->xfer needs to be released. Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> Reviewed-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/iio/imu/adis_buffer.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -39,8 +39,11 @@ int adis_update_scan_mode(struct iio_dev return -ENOMEM; adis->buffer = kzalloc(indio_dev->scan_bytes * 2, GFP_KERNEL); - if (!adis->buffer) + if (!adis->buffer) { + kfree(adis->xfer); + adis->xfer = NULL; return -ENOMEM; + } rx = adis->buffer; tx = rx + scan_count; Patches currently in stable-queue which might be from krzysztof.kozlowski@xxxxxxxxxxxxx are queue-4.9/iio-imu-adis16400-fix-memory-leak.patch queue-4.9/iio-imu-adis16400-release-allocated-memory-on-failure.patch