SUNRPC: Fix buggy UDP transmission
xs_sendpages() may return a negative result. We sure as hell don't want to
add that to the 'tk_bytes_sent' tally...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index e97e4ca..6f32cc5 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -587,13 +587,13 @@
dprintk("RPC: xs_udp_send_request(%u) = %d\n",
xdr->len - req->rq_bytes_sent, status);
- task->tk_bytes_sent += status;
- if (likely(status >= (int) req->rq_slen))
- return 0;
-
- /* Still some bytes left; set up for a retry later. */
- if (status > 0)
+ if (status >= 0) {
+ task->tk_bytes_sent += status;
+ if (status >= req->rq_slen)
+ return 0;
+ /* Still some bytes left; set up for a retry later. */
status = -EAGAIN;
+ }
switch (status) {
case -ENETUNREACH: