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@xxxxxxxxxx> --- drivers/ata/libata-sff.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) Index: work/drivers/ata/libata-sff.c =================================================================== --- work.orig/drivers/ata/libata-sff.c +++ work/drivers/ata/libata-sff.c @@ -2153,8 +2153,17 @@ void ata_sff_error_handler(struct ata_po */ 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); } /** -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html