linux-imx

SUNRPC: Ensure we always close the socket after a connection shuts down

Ensure that we release the TCP socket once it is in the TCP_CLOSE or
TCP_TIME_WAIT state (and only then) so that we don't confuse rkhunter
and its ilk.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>