From e5feab229f199dadee91073fbef5b507046086fd Mon Sep 17 00:00:00 2001
From: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Date: Wed, 4 Sep 2013 13:59:02 -0500
Subject: [PATCH] rsxx: Handling failed pci_map_page on PowerPC and double
 free.

The rsxx driver was not checking the correct value during a
pci_map_page failure. Fixing this also uncovered a
double free if the bio was returned before it was
broken up into indiviadual 4k dmas, that is also
fixed here.

Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Reading git-format-patch failed