This is a note to let you know that I've just added the patch titled
iio: imu: adis16400: fix memory leak
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-fix-memory-leak.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 18:29:50 +0100
Subject: iio: imu: adis16400: fix memory leak
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: <20210313172950.6224-2-krzysztof.kozlowski@xxxxxxxxxxxxx>
From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
commit 9c0530e898f384c5d279bfcebd8bb17af1105873 upstream.
In adis_update_scan_mode_burst, if adis->buffer allocation fails release
the adis->xfer.
Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
[krzk: backport applied to adis16400_buffer.c instead of adis_buffer.c]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/imu/adis16400_buffer.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/iio/imu/adis16400_buffer.c
+++ b/drivers/iio/imu/adis16400_buffer.c
@@ -37,8 +37,11 @@ int adis16400_update_scan_mode(struct ii
return -ENOMEM;
adis->buffer = kzalloc(burst_length + sizeof(u16), GFP_KERNEL);
- if (!adis->buffer)
+ if (!adis->buffer) {
+ kfree(adis->xfer);
+ adis->xfer = NULL;
return -ENOMEM;
+ }
tx = adis->buffer + burst_length;
tx[0] = ADIS_READ_REG(ADIS16400_GLOB_CMD);
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
