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igb: update tx DMA mapping error handling

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This updates the tx DMA mapping error handling code to
resemble e1000e/ixgbe.

Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nick Nunley 2010-02-17 01:06:16 +00:00 committed by David S. Miller
parent 58fd62f525
commit a77ff709dd
1 changed files with 3 additions and 5 deletions
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8
drivers/net/igb/igb_main.c
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@ -3647,14 +3647,12 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
buffer_info->length = 0;
buffer_info->next_to_watch = 0;
buffer_info->mapped_as_page = false;
count--;
/* clear timestamp and dma mappings for remaining portion of packet */
while (count >= 0) {
count--;
while (count--) {
if (i == 0)
i = tx_ring->count;
i--;
if (i < 0)
i += tx_ring->count;
buffer_info = &tx_ring->buffer_info[i];
igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
}