This is a note to let you know that I've just added the patch titled rpmsg: glink: Release driver_override to the 6.2-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: rpmsg-glink-release-driver_override.patch and it can be found in the queue-6.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit d3849a26223c76e669b96c4ef15aa2ebde38c50a Author: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx> Date: Mon Jan 9 14:39:31 2023 -0800 rpmsg: glink: Release driver_override [ Upstream commit fb80ef67e8ff6a00d3faad4cb348dafdb8eccfd8 ] Upon termination of the rpmsg_device, driver_override needs to be freed to avoid leaking the potentially assigned string. Fixes: 42cd402b8fd4 ("rpmsg: Fix kfree() of static memory on setting driver_override") Fixes: 39e47767ec9b ("rpmsg: Add driver_override device attribute for rpmsg_device") Reviewed-by: Chris Lew <quic_clew@xxxxxxxxxxx> Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx> Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230109223931.1706429-1-quic_bjorande@xxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index bb917746ad4bb..35df1b0a515bf 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1447,6 +1447,7 @@ static void qcom_glink_rpdev_release(struct device *dev) { struct rpmsg_device *rpdev = to_rpmsg_device(dev); + kfree(rpdev->driver_override); kfree(rpdev); } @@ -1690,6 +1691,7 @@ static void qcom_glink_device_release(struct device *dev) /* Release qcom_glink_alloc_channel() reference */ kref_put(&channel->refcount, qcom_glink_channel_release); + kfree(rpdev->driver_override); kfree(rpdev); }