net: altera: set a couple error code in probe()

commit badd7857f5c933a3dc34942a2c11d67fdbdc24de upstream.

There are two error paths which accidentally return success instead of
a negative error code.

Fixes: bbd2190ce96d ("Altera TSE: Add main and header file for Altera Ethernet Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index c3c1195021a2b72101f9a8aaa0fd0f58a15e561c..1b4dfd357383b3f53626a77e913e13904a4ce762 100644 (file)
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -1445,16 +1445,19 @@ static int altera_tse_probe(struct platform_device *pdev)
                priv->rxdescmem_busaddr = dma_res->start;
 
        } else {
+               ret = -ENODEV;
                goto err_free_netdev;
        }
 
-       if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask)))
+       if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask))) {
                dma_set_coherent_mask(priv->device,
                                      DMA_BIT_MASK(priv->dmaops->dmamask));
-       else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32)))
+       } else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32))) {
                dma_set_coherent_mask(priv->device, DMA_BIT_MASK(32));
-       else
+       } else {
+               ret = -EIO;
                goto err_free_netdev;
+       }
 
        /* MAC address space */
        ret = request_and_map(pdev, "control_port", &control_port,