diff options
| -rw-r--r-- | drivers/ata/libata-sff.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 730ef3c384c..c62ed13b059 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1770,18 +1770,15 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) spin_lock_irqsave(&host->lock, flags); for (i = 0; i < host->n_ports; i++) { - struct ata_port *ap; + struct ata_port *ap = host->ports[i]; + struct ata_queued_cmd *qc; - ap = host->ports[i]; - if (ap && - !(ap->flags & ATA_FLAG_DISABLED)) { - struct ata_queued_cmd *qc; + if (unlikely(ap->flags & ATA_FLAG_DISABLED)) + continue; - qc = ata_qc_from_tag(ap, ap->link.active_tag); - if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)) && - (qc->flags & ATA_QCFLAG_ACTIVE)) - handled |= ata_sff_host_intr(ap, qc); - } + qc = ata_qc_from_tag(ap, ap->link.active_tag); + if (qc && !(qc->tf.flags & ATA_TFLAG_POLLING)) + handled |= ata_sff_host_intr(ap, qc); } spin_unlock_irqrestore(&host->lock, flags); |