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[libata] Prevent warning during PMP error recovery

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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>
This commit is contained in:
Gwendal Grignou 2011-07-22 13:48:32 -07:00 committed by Jeff Garzik
parent 2cab7a4c5c
commit d4d8eaff78
1 changed files with 1 additions and 0 deletions
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drivers/ata/libata-sff.c
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@ -1333,6 +1333,7 @@ void ata_sff_flush_pio_task(struct ata_port *ap)
cancel_delayed_work_sync(&ap->sff_pio_task);
ap->hsm_task_state = HSM_ST_IDLE;
ap->sff_pio_task_link = NULL;
if (ata_msg_ctl(ap))
ata_port_dbg(ap, "%s: EXIT\n", __func__);