From ab69b3cf1219e0d07bb4ea373f36b1de38af531c Mon Sep 17 00:00:00 2001
From: John Gregor <john.gregor@qlogic.com>
Date: Wed, 7 May 2008 11:01:10 -0700
Subject: [PATCH] IB/ipath: Fix SDMA error recovery in absence of link status
 change

What's fixed:

    in ipath_cancel_sends()

        We need to unconditionally set ABORTING.  So, swap the tests
        so the set_bit() isn't shadowed by the &&.

        If we've disarmed the piobufs, then we need to unconditionally
        set DISARMED.  So, move it out from the overly protective if
        at the bottom.

    in sdma_abort_task()

        Abort_task was written knowing that the SDMA engine would always
        be reset (and restarted) on error.  A recent change broke that
        fundamental assumption by taking the restart portion and making
        it conditional on a link status change.  But, SDMA can go boom
        without a link status change in some conditions.

Signed-off-by: John Gregor <john.gregor@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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