Commit d275880a authored by Trond Myklebust's avatar Trond Myklebust
Browse files

SUNRPC: Fix Oops in xs_tcp_send_request() when transport is disconnected 



If a disconnection occurs while we're trying to reply to a server
callback, then we may end up calling xs_tcp_send_request() with a NULL
value for transport->inet, which trips up the call to
tcp_sock_set_cork().

Fixes: d737e5d4 ("SUNRPC: Set TCP_CORK until the transmit queue is empty")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent a421d218

net/sunrpc/xprtsock.c

+2 −0
Original line number Diff line number Diff line
@@ -1010,6 +1010,8 @@ static int xs_tcp_send_request(struct rpc_rqst *req) 
			kernel_sock_shutdown(transport->sock, SHUT_RDWR);

		return -ENOTCONN;

	}

	if (!transport->inet)

		return -ENOTCONN;



	xs_pktdump("packet data:",

				req->rq_svec->iov_base,