Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  net: bug fix for vlan + gro issue
  tc35815: Remove a wrong netif_wake_queue() call which triggers BUG_ON
  cdc_ether: new PID for Ericsson C3607w to the whitelist (resubmit)
  IPv6: better document max_addresses parameter
  MAINTAINERS: update mv643xx_eth maintenance status
  e1000: Fix DMA mapping error handling on RX
  iwlwifi: sanity check before counting number of tfds can be free
  iwlwifi: error checking for number of tfds in queue
  iwlwifi: set HT flags after channel in rxon

1 files changed, 18 insertions, 1 deletions

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index d29bb532eccf..765543663a4f 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -4006,11 +4006,21 @@ check_page:
                         }
                 }
 
-                if (!buffer_info->dma)
+                if (!buffer_info->dma) {
                         buffer_info->dma = pci_map_page(pdev,
                                                         buffer_info->page, 0,
                                                         buffer_info->length,
                                                         PCI_DMA_FROMDEVICE);
+                        if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
+                                put_page(buffer_info->page);
+                                dev_kfree_skb(skb);
+                                buffer_info->page = NULL;
+                                buffer_info->skb = NULL;
+                                buffer_info->dma = 0;
+                                adapter->alloc_rx_buff_failed++;
+                                break; /* while !buffer_info->skb */
+                        }
+                }
 
                 rx_desc = E1000_RX_DESC(*rx_ring, i);
                 rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
@@ -4101,6 +4111,13 @@ map_skb:
                                                   skb->data,
                                                   buffer_info->length,
                                                   PCI_DMA_FROMDEVICE);
+                if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
+                        dev_kfree_skb(skb);
+                        buffer_info->skb = NULL;
+                        buffer_info->dma = 0;
+                        adapter->alloc_rx_buff_failed++;
+                        break; /* while !buffer_info->skb */
+                }
 
                 /*
                  * XXX if it was allocated cleanly it will never map to a