diff options
| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2010-01-23 01:35:00 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-23 01:35:00 -0800 |
| commit | 8581145f39c39b00cd1b6a2dcb4ce5bf7d8d6070 (patch) | |
| tree | 61283610e6f7c92754df71fe7b8a93888331ac81 | |
| parent | de4fc07aff770743b2c3e3ee30a23a691450a4f6 (diff) | |
| download | linux-8581145f39c39b00cd1b6a2dcb4ce5bf7d8d6070.tar.gz | |
igb/igbvf: cleanup exception handling in tx_map_adv
After removing the skb_dma_map/unmap calls the exception handling in igb_tx_map_adv is not correct. The issue is that the count value was not being correctly handled so as a result we were not rewinding the ring as back as we should have been. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/igb/igb_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/igbvf/netdev.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 933c64ff2465..2ca173453b66 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -3584,6 +3584,7 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb, for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) { struct skb_frag_struct *frag; + count++; i++; if (i == tx_ring->count) i = 0; @@ -3605,7 +3606,6 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb, if (pci_dma_mapping_error(pdev, buffer_info->dma)) goto dma_error; - count++; } tx_ring->buffer_info[i].skb = skb; diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c index 10e038adba0f..43c8375f1110 100644 --- a/drivers/net/igbvf/netdev.c +++ b/drivers/net/igbvf/netdev.c @@ -2126,6 +2126,7 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter, for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) { struct skb_frag_struct *frag; + count++; i++; if (i == tx_ring->count) i = 0; @@ -2146,7 +2147,6 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter, PCI_DMA_TODEVICE); if (pci_dma_mapping_error(pdev, buffer_info->dma)) goto dma_error; - count++; } tx_ring->buffer_info[i].skb = skb; |