From: Miaoqian Lin Date: Wed, 11 May 2022 12:07:37 +0000 (+0400) Subject: rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge X-Git-Tag: v5.18.18~210 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae7fdbab97df6a2115eed6b7e39c278b805c9c7d;p=thirdparty%2Fkernel%2Fstable.git 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 Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220511120737.57374-1-linmq006@gmail.com Signed-off-by: Sasha Levin --- diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index 1957b27c4cf37..f7af53891ef92 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;