From 10c59d27363eba9fece1965293f83d865ba532be Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@kernellabs.com>
Date: Tue, 6 Jun 2017 09:30:27 -0300
Subject: [PATCH] saa7164: fix double fetch PCIe access condition

commit 6fb05e0dd32e566facb96ea61a48c7488daa5ac3 upstream.

Avoid a double fetch by reusing the values from the prior transfer.

Originally reported via https://bugzilla.kernel.org/show_bug.cgi?id=195559

Thanks to Pengfei Wang <wpengfeinudt@gmail.com> for reporting.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Reported-by: Pengfei Wang <wpengfeinudt@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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