From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 1 Mar 2008 14:52:14 +0000 (-0700)
Subject: ioat: fix 'ack' handling, driver must ensure that 'ack' is zero
X-Git-Tag: v2.6.25-rc4~94^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6497dcffe07b7c3d863f9899280c4f6eae999161;p=pandora-kernel.git

ioat: fix 'ack' handling, driver must ensure that 'ack' is zero

Initialize 'ack' to zero in case the descriptor has been recycled.

Prevents "kernel BUG at crypto/async_tx/async_xor.c:185!"

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Cc: stable@kernel.org
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