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xtensa: xtfpga: Fix refcount leak bug in setup 

commit 173940b3ae 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>
This commit is contained in:
Liang He 2022-06-17 19:53:23 +08:00 committed by Greg Kroah-Hartman
parent f0fc7cdf5f
commit a52972ee70
1 changed files with 1 additions and 0 deletions
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arch/xtensa/platforms/xtfpga/setup.c
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@ -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);