In tegra30_clock_init, of_find_matching_node() will return a node pointer with refcount incremented. We should use of_node_put() when the node pointer is not used anymore. Signed-off-by: Liang He <windhl@xxxxxxx> --- changelog: v2: use real name for Sob v1: fix missing bug drivers/clk/tegra/clk-tegra30.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index 04b496123820..168c07d5a5f2 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -1320,6 +1320,7 @@ static void __init tegra30_clock_init(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"); BUG(); -- 2.25.1