Messages in this thread Patch in this message | | | From | Liang He <> | Subject | [PATCH] xtensa: kernel: Fix refcount leak bug in time.c | Date | Fri, 17 Jun 2022 20:44:32 +0800 |
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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.
Signed-off-by: Liang He <windhl@126.com> --- arch/xtensa/kernel/time.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index e8ceb1528608..16b8a6273772 100644 --- 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; -- 2.25.1
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