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soc: rockchip: Fix refcount leak in rockchip_grf_init 

[ Upstream commit 9b59588d8b ]

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: 4c58063d42 ("soc: rockchip: add driver handling grf setup")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220516072013.19731-1-linmq006@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-05-16 11:20:10 +04:00 committed by Greg Kroah-Hartman
parent 1530186c83
commit 042571fe1d
1 changed files with 2 additions and 0 deletions
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2
drivers/soc/rockchip/grf.c
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@ -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);