[Differential] [Accepted] D1982: Fix return errors in tcp_usrreq.c

[glebius (Gleb Smirnoff)]

glebius added a subscriber: glebius.
glebius accepted this revision.
glebius added a reviewer: glebius.
glebius added a comment.

And I second on jch@ comment.

REVISION DETAIL
  https://reviews.freebsd.org/D1982

To: harrison.grundy-astrodoggroup.com, gnn, adrian, jch, glebius
Cc: glebius, freebsd-net