diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 12fea3e223481fcb19485a8a3d6220050a7e3587..8d2a7728434d05cd06250e2c6fb2d74a3336bc88 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -2617,14 +2617,13 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		}
 	}
 
-	dev->desc_virt = pci_alloc_consistent(pdev, sizeof(struct hifn_dma),
-			&dev->desc_dma);
+	dev->desc_virt = pci_zalloc_consistent(pdev, sizeof(struct hifn_dma),
+					       &dev->desc_dma);
 	if (!dev->desc_virt) {
 		dprintk("Failed to allocate descriptor rings.\n");
 		err = -ENOMEM;
 		goto err_out_unmap_bars;
 	}
-	memset(dev->desc_virt, 0, sizeof(struct hifn_dma));
 
 	dev->pdev = pdev;
 	dev->irq = pdev->irq;