ioat: fix 'ack' handling, driver must ensure that 'ack' is zero
authorDan Williams <dan.j.williams@intel.com>
Sat, 1 Mar 2008 14:52:14 +0000 (07:52 -0700)
committerDan Williams <dan.j.williams@intel.com>
Tue, 4 Mar 2008 17:16:46 +0000 (10:16 -0700)
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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