From 2199700f1d660494d2552278354422c51becb686 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 1 Oct 2007 11:43:37 -0400
Subject: [PATCH] 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>
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