diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-08-01 13:36:08 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-07 08:32:36 +0200 |
| commit | e3f2840dbab5996a1ab45cf071a68e72b39f3a9a (patch) | |
| tree | cf406b5f206210bf3eded59ca752d0982dfff056 /net/sunrpc | |
| parent | b529544b0165e8b4bf2b6a9b32a7efa5eb4bdc99 (diff) | |
SUNRPC: Handle EADDRNOTAVAIL on connection failures
commit 1f4c17a03ba7f430d63dba8c8e08ff1e2712581d upstream.
If the connect attempt immediately fails with an EADDRNOTAVAIL error, then
that means our choice of source port number was bad.
This error is expected when we set the SO_REUSEPORT socket option and we
have 2 sockets sharing the same source and destination address and port
combinations.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Fixes: 402e23b4ed9ed ("SUNRPC: Fix stupid typo in xs_sock_set_reuseport")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtsock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 027c9ef8a263..1ba417207465 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2286,6 +2286,10 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) /* SYN_SENT! */ if (xprt->reestablish_timeout < XS_TCP_INIT_REEST_TO) xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO; + break; + case -EADDRNOTAVAIL: + /* Source port number is unavailable. Try a new one! */ + transport->srcport = 0; } out: return ret; |