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Commit 570106df authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
Browse files

libata-sff: fix ata_sff_post_internal_cmd() 



ata_sff_post_internal_cmd() needs to grab port lock before calling
ata_bmdma_stop() and also need to clear hsm_task_state.  Fix it.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent f667fdbb

drivers/ata/libata-sff.c

+10 −1
Original line number Diff line number Diff line
@@ -2153,8 +2153,17 @@ void ata_sff_error_handler(struct ata_port *ap) 
 */

void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc)

{

	if (qc->ap->ioaddr.bmdma_addr)

	struct ata_port *ap = qc->ap;

	unsigned long flags;



	spin_lock_irqsave(ap->lock, flags);



	ap->hsm_task_state = HSM_ST_IDLE;



	if (ap->ioaddr.bmdma_addr)

		ata_bmdma_stop(qc);



	spin_unlock_irqrestore(ap->lock, flags);

}



/**