From: Eric Dumazet <edumazet@google.com>
Date: Mon, 12 Aug 2013 04:54:48 +0000 (-0700)
Subject: af_unix: fix bug on large send()
X-Git-Tag: v3.12-rc1~132^2~304
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3dfd20860db3d0c400dd83a378176a28d3662db;p=pandora-kernel.git

af_unix: fix bug on large send()

commit e370a723632 ("af_unix: improve STREAM behavior with fragmented
memory") added a bug on large send() because the
skb_copy_datagram_from_iovec() call always start from the beginning
of iovec.

We must instead use the @sent variable to properly skip the
already processed part.

Reported-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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