tree 2b57ca65f6be0bee163363d694a19052b6491bc7
parent ec8670f1f795badedaa056a3a3245b9b82201747
author Dan Williams <dan.j.williams@intel.com> 1204383134 -0700
committer Dan Williams <dan.j.williams@intel.com> 1204651006 -0700

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