e1000: fix return value not set on error

commit 19a0b67afd174c4db261d587b5c67704dcd53c17 upstream.

Dean noticed that 'err' wasn't being set when the "goto err_dma"
statement is executed in the following hunk from the commit. It's value
will be zero as a result of a successful call to e1000_init_hw_struct().

This patch changes the error condition to be correctly propagated.

Signed-off-by:  Dean Nelson <dnelson@redhat.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 4d62f7b..b3b251e 100644 (file)
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -971,11 +971,13 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
                 */
                dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
                pci_using_dac = 1;
-       } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
-               dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
        } else {
-               pr_err("No usable DMA config, aborting\n");
-               goto err_dma;
+               err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+               if (err) {
+                       pr_err("No usable DMA config, aborting\n");
+                       goto err_dma;
+               }
+               dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
        }
 
        netdev->netdev_ops = &e1000_netdev_ops;