diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 745489a1c86a..efc48bf89d51 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1727,15 +1727,13 @@ static int mv_port_start(struct ata_port *ap)
 		return -ENOMEM;
 	ap->private_data = pp;
 
-	pp->crqb = dma_pool_alloc(hpriv->crqb_pool, GFP_KERNEL, &pp->crqb_dma);
+	pp->crqb = dma_pool_zalloc(hpriv->crqb_pool, GFP_KERNEL, &pp->crqb_dma);
 	if (!pp->crqb)
 		return -ENOMEM;
-	memset(pp->crqb, 0, MV_CRQB_Q_SZ);
 
-	pp->crpb = dma_pool_alloc(hpriv->crpb_pool, GFP_KERNEL, &pp->crpb_dma);
+	pp->crpb = dma_pool_zalloc(hpriv->crpb_pool, GFP_KERNEL, &pp->crpb_dma);
 	if (!pp->crpb)
 		goto out_port_free_dma_mem;
-	memset(pp->crpb, 0, MV_CRPB_Q_SZ);
 
 	/* 6041/6081 Rev. "C0" (and newer) are okay with async notify */
 	if (hpriv->hp_flags & MV_HP_ERRATA_60X1C0)