diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index e6ce765534ac7efbcb099bc164a785355eb39363..c11675f34b93fc1dca8171cb5ccddecf7b99914f 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3759,7 +3759,7 @@ struct ata_port *ata_sas_port_alloc(struct ata_host *host,
 		return NULL;
 
 	ap->port_no = 0;
-	ap->lock = shost->host_lock;
+	ap->lock = &host->lock;
 	ap->pio_mask = port_info->pio_mask;
 	ap->mwdma_mask = port_info->mwdma_mask;
 	ap->udma_mask = port_info->udma_mask;