soc/tegra: fuse: Add missing of_node_put() in tegra_init_fuse()

[ 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>

diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index b0a8405dbdb199141aff73392a550050f2aab28a..6542267a224d2c45413463bf5811d6a65b464131 100644 (file)
--- 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);