soc: qcom: smsm: Fix missing of_node_put() in smsm_parse_ipc

[ Upstream commit aad66a3c78da668f4506356c2fdb70b7a19ecc76 ]

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

Fixes: c97c4090ff72 ("soc: qcom: smsm: Add driver for Qualcomm SMSM")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220308073648.24634-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/soc/qcom/smsm.c b/drivers/soc/qcom/smsm.c
index ef15d014c03a3ad4b21b836079280747575aff53..9df9bba242f3e24435bc83157da965f01a93c78a 100644 (file)
--- a/drivers/soc/qcom/smsm.c
+++ b/drivers/soc/qcom/smsm.c
@@ -374,6 +374,7 @@ static int smsm_parse_ipc(struct qcom_smsm *smsm, unsigned host_id)
                return 0;
 
        host->ipc_regmap = syscon_node_to_regmap(syscon);
+       of_node_put(syscon);
        if (IS_ERR(host->ipc_regmap))
                return PTR_ERR(host->ipc_regmap);