From dd1d7ff307ed5192136438bd25bfecd463984672 Mon Sep 17 00:00:00 2001
From: Bjorn Andersson <quic_bjorande@quicinc.com>
Date: Tue, 31 Oct 2023 11:39:51 +0000
Subject: [PATCH] rpmsg: glink: Release driver_override

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@quicinc.com>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230109223931.1706429-1-quic_bjorande@quicinc.com
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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 02e39778d3c6..48d2fb187a1b 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -1379,6 +1379,7 @@ 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);
 }