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    Subject[PATCH 5.15 389/667] soc: qcom: smsm: Fix missing of_node_put() in smsm_parse_ipc
    Date
    From: Miaoqian Lin <linmq006@gmail.com>

    [ 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>
    ---
    drivers/soc/qcom/smsm.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/soc/qcom/smsm.c b/drivers/soc/qcom/smsm.c
    index ef15d014c03a..9df9bba242f3 100644
    --- 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);

    --
    2.35.1


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