From: Sagi Grimberg <sagig@mellanox.com>
Date: Thu, 6 Aug 2015 15:32:50 +0000 (+0300)
Subject: IB/iser: Fix possible bogus DMA unmapping
X-Git-Tag: omap-for-v4.3/fixes-rc1~52^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d5944d80359e645feb2ebd069a6f4caf7825e40;p=pandora-kernel.git

IB/iser: Fix possible bogus DMA unmapping

If iser_initialize_task_headers() routine failed before
dma mapping, we should not attempt to unmap in cleanup_task().

Fixes: 7414dde0a6c3a958e (IB/iser: Fix race between iser connection ...)
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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