From: Michael S. Tsirkin <mst@redhat.com>
Date: Wed, 25 Feb 2015 14:19:28 +0000 (+0100)
Subject: vhost: cleanup iterator update logic
X-Git-Tag: omap-for-v4.1/wl12xx-dt~68^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c5a84421c7d1c259c3883a404f9a67a2f55b003;p=pandora-kernel.git

vhost: cleanup iterator update logic

Recent iterator-related changes in vhost made it
harder to follow the logic fixing up the header.
In fact, the fixup always happens at the same
offset: sizeof(virtio_net_hdr): sometimes the
fixup iterator is updated by copy_to_iter,
sometimes-by iov_iter_advance.

Rearrange code to make this obvious.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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