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    Subject[PATCH 6.0 441/862] soc/tegra: fuse: Add missing of_node_put() in tegra_init_fuse()
    Date
    From: Liang He <windhl@126.com>

    [ Upstream commit e941712cccab8a96f03b5d3274159c1ed338efee ]

    In this function, of_find_matching_node() will return a node pointer
    with refcount incremented. We should use of_node_put() when the "np"
    pointer is not used anymore.

    Signed-off-by: Liang He <windhl@126.com>
    Signed-off-by: Thierry Reding <treding@nvidia.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/soc/tegra/fuse/fuse-tegra.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/soc/tegra/fuse/fuse-tegra.c
    +++ b/drivers/soc/tegra/fuse/fuse-tegra.c
    @@ -568,6 +568,7 @@ static int __init tegra_init_fuse(void)
    np = of_find_matching_node(NULL, car_match);
    if (np) {
    void __iomem *base = of_iomap(np, 0);
    + of_node_put(np);
    if (base) {
    tegra_enable_fuse_clk(base);
    iounmap(base);

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