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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-01 10:29:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-01 10:29:26 -0700
commit7b85425fac72588674d5c71604af618f690c91d7 (patch)
tree679b1df68e58b0fc9e898b688e51387591b0bdad /drivers/net/e1000/e1000_main.c
parent57d81f6f393b245894ca0cd828f80ce7e3294f39 (diff)
parentf8a68e752bc4e39644843403168137663c984524 (diff)
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: (31 commits) Revert "ipv4: arp announce, arp_proxy and windows ip conflict verification" igb: return PCI_ERS_RESULT_DISCONNECT on permanent error e1000e: io_error_detected callback should return PCI_ERS_RESULT_DISCONNECT e1000: return PCI_ERS_RESULT_DISCONNECT on permanent error e1000: fix unmap bug igb: fix unmap length bug ixgbe: fix unmap length bug ixgbe: Fix link capabilities during adapter resets ixgbe: Fix device capabilities of 82599 single speed fiber NICs. ixgbe: Fix SFP log messages usbnet: Remove private stats structure usbnet: Use netdev stats structure smsc95xx: Use netdev stats structure rndis_host: Use netdev stats structure net1080: Use netdev stats structure dm9601: Use netdev stats structure cdc_eem: Use netdev stats structure ipv4: Fix fib_trie rebalancing, part 3 bnx2x: Fix the behavior of ethtool when ONBOOT=no sctp: xmit sctp packet always return no route error ...
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 5e3356f8eb5..5b8cbdb4b52 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2185,12 +2185,16 @@ static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
/* Free all the Rx ring sk_buffs */
for (i = 0; i < rx_ring->count; i++) {
buffer_info = &rx_ring->buffer_info[i];
- if (buffer_info->skb) {
+ if (buffer_info->dma) {
pci_unmap_single(pdev,
buffer_info->dma,
buffer_info->length,
PCI_DMA_FROMDEVICE);
+ }
+
+ buffer_info->dma = 0;
+ if (buffer_info->skb) {
dev_kfree_skb(buffer_info->skb);
buffer_info->skb = NULL;
}
@@ -4033,6 +4037,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
buffer_info->dma,
buffer_info->length,
PCI_DMA_FROMDEVICE);
+ buffer_info->dma = 0;
length = le16_to_cpu(rx_desc->length);
/* !EOP means multiple descriptors were used to store a single
@@ -4222,6 +4227,7 @@ map_skb:
pci_unmap_single(pdev, buffer_info->dma,
adapter->rx_buffer_len,
PCI_DMA_FROMDEVICE);
+ buffer_info->dma = 0;
break; /* while !buffer_info->skb */
}
@@ -4817,6 +4823,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
netif_device_detach(netdev);
+ if (state == pci_channel_io_perm_failure)
+ return PCI_ERS_RESULT_DISCONNECT;
+
if (netif_running(netdev))
e1000_down(adapter);
pci_disable_device(pdev);