atl1e: fix error return code in atl1e_probe()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: a6a5325 ("atl1e: Atheros L1E Gigabit Ethernet driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1605581875-36281-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/atheros/atl1e/atl1e_main.c

@@ -2312,8 +2312,8 @@ static int atl1e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 * various kernel subsystems to support the mechanics required by a
 	 * fixed-high-32-bit system.
 	 */
-	if ((dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) ||
-	    (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0)) {
+	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+	if (err) {
 		dev_err(&pdev->dev, "No usable DMA configuration,aborting\n");
 		goto err_dma;
 	}