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: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 2a4c516..4b47394 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2153,8 +2153,17 @@
*/
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);
}
/**
