This is a note to let you know that I've just added the patch titled
soc: rockchip: Fix refcount leak in rockchip_grf_init
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:
soc-rockchip-fix-refcount-leak-in-rockchip_grf_init.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 c0353e0e398d60d98b7191ceec21d585d6a7c952
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Mon May 16 11:20:10 2022 +0400
soc: rockchip: Fix refcount leak in rockchip_grf_init
[ Upstream commit 9b59588d8be91c96bfb0371e912ceb4f16315dbf ]
of_find_matching_node_and_match returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.
Fixes: 4c58063d4258 ("soc: rockchip: add driver handling grf setup")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220516072013.19731-1-linmq006@xxxxxxxxx
Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c
index 494cf2b5bf7b..343ff61ccccb 100644
--- a/drivers/soc/rockchip/grf.c
+++ b/drivers/soc/rockchip/grf.c
@@ -148,12 +148,14 @@ static int __init rockchip_grf_init(void)
return -ENODEV;
if (!match || !match->data) {
pr_err("%s: missing grf data\n", __func__);
+ of_node_put(np);
return -EINVAL;
}
grf_info = match->data;
grf = syscon_node_to_regmap(np);
+ of_node_put(np);
if (IS_ERR(grf)) {
pr_err("%s: could not get grf syscon\n", __func__);
return PTR_ERR(grf);
