scsi: wd719x: Return proper error code when dma_set_mask() fails

During the process of driver probing, the probe function should return < 0
for failure, otherwise the kernel will treat value >= 0 as success.

Set 'err' to the error value returned by dma_set_mask() in case of failure.

Link: https://lore.kernel.org/r/1646060055-11361-1-git-send-email-zheyuma97@gmail.comReviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/wd719x.c

@@ -904,7 +904,8 @@ static int wd719x_pci_probe(struct pci_dev *pdev, const struct pci_device_id *d)
 	if (err)
 		goto fail;
 
-	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
+	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+	if (err) {
 		dev_warn(&pdev->dev, "Unable to set 32-bit DMA mask\n");
 		goto disable_device;
 	}