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 4.14-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-4.14 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 01:10:05 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: 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-4.14/iio-imu-adis16400-release-allocated-memory-on-failure.patch
