diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index c734934..6d88ddd 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2509,18 +2509,12 @@ static int nvme_pci_enable(struct nvme_dev *dev)
 {
 	int result = -ENOMEM;
 	struct pci_dev *pdev = to_pci_dev(dev->dev);
-	int dma_address_bits = 64;
 
 	if (pci_enable_device_mem(pdev))
 		return result;
 
 	pci_set_master(pdev);
 
-	if (dev->ctrl.quirks & NVME_QUIRK_DMA_ADDRESS_BITS_48)
-		dma_address_bits = 48;
-	if (dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(dma_address_bits)))
-		goto disable;
-
 	if (readl(dev->bar + NVME_REG_CSTS) == -1) {
 		result = -ENODEV;
 		goto disable;
@@ -2970,7 +2964,7 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev,
 
 	dev = kzalloc_node(sizeof(*dev), GFP_KERNEL, node);
 	if (!dev)
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	INIT_WORK(&dev->ctrl.reset_work, nvme_reset_work);
 	mutex_init(&dev->shutdown_lock);
 
@@ -2998,7 +2992,11 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev,
 			     quirks);
 	if (ret)
 		goto out_put_device;
-	
+
+	if (dev->ctrl.quirks & NVME_QUIRK_DMA_ADDRESS_BITS_48)
+		dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
+	else
+		dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
 	dma_set_min_align_mask(&pdev->dev, NVME_CTRL_PAGE_SIZE - 1);
 	dma_set_max_seg_size(&pdev->dev, 0xffffffff);
 
@@ -3031,8 +3029,8 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	int result = -ENOMEM;
 
 	dev = nvme_pci_alloc_dev(pdev, id);
-	if (!dev)
-		return -ENOMEM;
+	if (IS_ERR(dev))
+		return PTR_ERR(dev);
 
 	result = nvme_dev_map(dev);
 	if (result)
@@ -3423,6 +3421,8 @@ static const struct pci_device_id nvme_id_table[] = {
 	{ PCI_DEVICE(0x10ec, 0x5762),   /* ADATA SX6000LNP */
 		.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN |
 				NVME_QUIRK_BOGUS_NID, },
+	{ PCI_DEVICE(0x10ec, 0x5763),  /* ADATA SX6000PNP */
+		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x1cc1, 0x8201),   /* ADATA SX8200PNP 512GB */
 		.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
 				NVME_QUIRK_IGNORE_DEV_SUBNQN, },