wangweidong be7faf7168 rds: remove the unneed NULL checking
unregister_net_sysctl_table will check the ctl_table_header,
so remove the unneed checking

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-09 15:59:45 -04:00
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