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xtensa: Fix refcount leak bug in time.c
commit a0117dc956
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>
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@ -146,6 +146,7 @@ static void __init calibrate_ccount(void)
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cpu = of_find_compatible_node(NULL, NULL, "cdns,xtensa-cpu");
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if (cpu) {
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clk = of_clk_get(cpu, 0);
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of_node_put(cpu);
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if (!IS_ERR(clk)) {
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ccount_freq = clk_get_rate(clk);
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return;
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