PCI: epf-vntb: Return actual error code during pci_vntb_probe() failure

If dma_set_mask_and_coherent() in pci_vntb_probe() fails, return the actual
error code instead of -EINVAL.

Signed-off-by: Yang Yingliang <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Dave Jiang <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[mani: reworded commit message and subject]
Signed-off-by: Manivannan Sadhasivam <[email protected]>

Author: Yang Yingliang

drivers/pci/endpoint/functions/pci-epf-vntb.c

@@ -1258,7 +1258,7 @@ static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
 	if (ret) {
 		dev_err(dev, "Cannot set DMA mask\n");
-		return -EINVAL;
+		return ret;
 	}
 
 	ret = ntb_register_device(&ndev->ntb);