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由 Pablo Neira Ayuso 提交于
subsys_table is initialized to NULL, therefore just returns NULL in case that it is not set. Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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