libata: Add helper ata_shost_to_port()

[deliverable/linux.git] / drivers / scsi / libata-core.c

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 3387fe35c54f4f1620caf6acfbdb83a8de59a3ef..6420062f2c1ef239b2e6eb63f99a535fa432dab1 100644 (file)
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4659,7 +4659,7 @@ static struct ata_port * ata_host_add(const struct ata_probe_ent *ent,
 
        host->transportt = &ata_scsi_transport_template;
 
-       ap = (struct ata_port *) &host->hostdata[0];
+       ap = ata_shost_to_port(host);
 
        ata_host_init(ap, host, host_set, ent, port_no);
 
@@ -4872,7 +4872,7 @@ void ata_host_set_remove(struct ata_host_set *host_set)
 
 int ata_scsi_release(struct Scsi_Host *host)
 {
-       struct ata_port *ap = (struct ata_port *) &host->hostdata[0];
+       struct ata_port *ap = ata_shost_to_port(host);
        int i;
 
        DPRINTK("ENTER\n");