[PATCH v4.14.y 4/5] rpmsg: glink: Release driver_override

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From: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>

commit fb80ef67e8ff6a00d3faad4cb348dafdb8eccfd8 upstream.

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
(cherry picked from commit fb80ef67e8ff6a00d3faad4cb348dafdb8eccfd8)
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
---
 drivers/rpmsg/qcom_glink_native.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index c1dfad2986859..8ee814d6dddce 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -1354,6 +1354,7 @@ static void qcom_glink_rpdev_release(struct device *dev)
 	struct glink_channel *channel = to_glink_channel(rpdev->ept);
 
 	channel->rpdev = NULL;
+	kfree(rpdev->driver_override);
 	kfree(rpdev);
 }
 
-- 
2.42.0.820.g83a721a137-goog




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