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    Subject[PATCH 5.17 457/772] soc: qcom: smp2p: Fix missing of_node_put() in smp2p_parse_ipc
    Date
    From: Miaoqian Lin <linmq006@gmail.com>

    [ 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>
    ---
    drivers/soc/qcom/smp2p.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c
    index 4a157240f419..59dbf4b61e6c 100644
    --- 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);

    --
    2.35.1


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