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Commit a01512b1 authored by YueHaibing's avatar YueHaibing Committed by David S. Miller
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tcp: remove unneeded variable 'err' 



variable 'err' is unmodified after initalization,
so simply cleans up it and returns 0.

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 51f7e951
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