In tegra124_132_clock_init_pre, of_find_matching_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore. Signed-off-by: heliang <windhl@xxxxxxx> --- drivers/clk/tegra/clk-tegra124.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index 934520aab6e3..a9d4efcef2d4 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -1471,6 +1471,7 @@ static void __init tegra124_132_clock_init_pre(struct device_node *np) } pmc_base = of_iomap(node, 0); + of_node_put(node); if (!pmc_base) { pr_err("Can't map pmc registers\n"); WARN_ON(1); -- 2.25.1