soc: qcom: smp2p: Fix missing of_node_put() in smp2p_parse_ipc

[ Upstream commit 8fd3f18ea31a398ecce4a6d3804433658678b0a3 ]

The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.

Fixes: 50e99641413e ("soc: qcom: smp2p: Qualcomm Shared Memory Point to Point")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220308071942.22942-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c
index 4a157240f419ee2ab8b1d5efaeff9e6b1eda9710..59dbf4b61e6c2d7b903a7416311718af797ecb4e 100644 (file)
--- a/drivers/soc/qcom/smp2p.c
+++ b/drivers/soc/qcom/smp2p.c
@@ -493,6 +493,7 @@ static int smp2p_parse_ipc(struct qcom_smp2p *smp2p)
        }
 
        smp2p->ipc_regmap = syscon_node_to_regmap(syscon);
+       of_node_put(syscon);
        if (IS_ERR(smp2p->ipc_regmap))
                return PTR_ERR(smp2p->ipc_regmap);