[libata] Prevent warning during PMP error recovery
authorGwendal Grignou <gwendal@google.com>
Fri, 22 Jul 2011 20:48:32 +0000 (13:48 -0700)
committerJeff Garzik <jgarzik@pobox.com>
Sat, 23 Jul 2011 22:05:14 +0000 (18:05 -0400)
Cleanup sff_pio_task_link when a command is cancel while the
pio_task thread has been scheduled.

Signed-off-by: Gwendal Grignou <gwendal@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

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