This is a note to let you know that I've just added the patch titled
rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge
to the 5.18-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-qcom_smd-fix-refcount-leak-in-qcom_smd_parse_e.patch
and it can be found in the queue-5.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 141cf5eea92cb0ee575374ad9cb6c86724389ba3
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Wed May 11 16:07:37 2022 +0400
rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge
[ Upstream commit 65382585f067d4256ba087934f30f85c9b6984de ]
of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Fixes: 53e2822e56c7 ("rpmsg: Introduce Qualcomm SMD backend")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220511120737.57374-1-linmq006@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 1957b27c4cf3..f7af53891ef9 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -1383,6 +1383,7 @@ static int qcom_smd_parse_edge(struct device *dev,
}
edge->ipc_regmap = syscon_node_to_regmap(syscon_np);
+ of_node_put(syscon_np);
if (IS_ERR(edge->ipc_regmap)) {
ret = PTR_ERR(edge->ipc_regmap);
goto put_node;
