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Subject[PATCH 5.4 46/60] xtensa: xtfpga: Fix refcount leak bug in setup
Date
From: Liang He <windhl@126.com>

commit 173940b3ae40114d4179c251a98ee039dc9cd5b3 upstream.

In machine_setup(), 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: <20220617115323.4046905-1-windhl@126.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/xtensa/platforms/xtfpga/setup.c | 1 +
1 file changed, 1 insertion(+)

--- a/arch/xtensa/platforms/xtfpga/setup.c
+++ b/arch/xtensa/platforms/xtfpga/setup.c
@@ -148,6 +148,7 @@ static int __init machine_setup(void)

if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc")))
update_local_mac(eth);
+ of_node_put(eth);
return 0;
}
arch_initcall(machine_setup);

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