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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-03-11 21:38:01 +0300 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-03-11 21:38:01 +0300 |
| commit | 5e3771ce2d6a69e10fcc870cdf226d121d868491 (patch) | |
| tree | 3c20ee45ae8b87621ae95cedb6b385bf0e6d7a2f /net/sunrpc | |
| parent | 8a2cec295f4499cc9d4452e9b02d4ed071bb42d3 (diff) | |
| download | linux-5e3771ce2d6a69e10fcc870cdf226d121d868491.tar.xz | |
SUNRPC: Ensure that xs_nospace return values are propagated
If xs_nospace() finds that the socket has disconnected, it attempts to
return ENOTCONN, however that value is then squashed by the callers.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtsock.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 9f3e615d3e09..2e070679ab4a 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -521,11 +521,12 @@ static void xs_nospace_callback(struct rpc_task *task) * @task: task to put to sleep * */ -static void xs_nospace(struct rpc_task *task) +static int xs_nospace(struct rpc_task *task) { struct rpc_rqst *req = task->tk_rqstp; struct rpc_xprt *xprt = req->rq_xprt; struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); + int ret = 0; dprintk("RPC: %5u xmit incomplete (%u left of %u)\n", task->tk_pid, req->rq_slen - req->rq_bytes_sent, @@ -537,6 +538,7 @@ static void xs_nospace(struct rpc_task *task) /* Don't race with disconnect */ if (xprt_connected(xprt)) { if (test_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags)) { + ret = -EAGAIN; /* * Notify TCP that we're limited by the application * window size @@ -548,10 +550,11 @@ static void xs_nospace(struct rpc_task *task) } } else { clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags); - task->tk_status = -ENOTCONN; + ret = -ENOTCONN; } spin_unlock_bh(&xprt->transport_lock); + return ret; } /** @@ -603,7 +606,7 @@ static int xs_udp_send_request(struct rpc_task *task) /* Should we call xs_close() here? */ break; case -EAGAIN: - xs_nospace(task); + status = xs_nospace(task); break; default: dprintk("RPC: sendmsg returned unrecognized error %d\n", @@ -706,7 +709,7 @@ static int xs_tcp_send_request(struct rpc_task *task) /* Should we call xs_close() here? */ break; case -EAGAIN: - xs_nospace(task); + status = xs_nospace(task); break; default: dprintk("RPC: sendmsg returned unrecognized error %d\n", |