From: Liang He windhl@126.com
commit a0117dc956429f2ede17b323046e1968d1849150 upstream.
In calibrate_ccount(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
Cc: stable@vger.kernel.org Signed-off-by: Liang He windhl@126.com Message-Id: 20220617124432.4049006-1-windhl@126.com Signed-off-by: Max Filippov jcmvbkbc@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/xtensa/kernel/time.c | 1 + 1 file changed, 1 insertion(+)
--- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -154,6 +154,7 @@ static void __init calibrate_ccount(void cpu = of_find_compatible_node(NULL, NULL, "cdns,xtensa-cpu"); if (cpu) { clk = of_clk_get(cpu, 0); + of_node_put(cpu); if (!IS_ERR(clk)) { ccount_freq = clk_get_rate(clk); return;