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igb: simplify swap in clean_rx_irq if using packet split

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This update replaces the xchg calls that were added with a pair of
assignments as there is no need for the xchg calls and they were found to
cause issues on some architectures.

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>
This commit is contained in:
Alexander Duyck 2008-11-20 00:47:34 -08:00 committed by David S. Miller
parent 3ef6b2354f
commit b2d565365e
1 changed files with 4 additions and 2 deletions
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6
drivers/net/igb/igb_main.c
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@ -3926,8 +3926,10 @@ send_up:
next_buffer = &rx_ring->buffer_info[i];
if (!(staterr & E1000_RXD_STAT_EOP)) {
buffer_info->skb = xchg(&next_buffer->skb, skb);
buffer_info->dma = xchg(&next_buffer->dma, 0);
buffer_info->skb = next_buffer->skb;
buffer_info->dma = next_buffer->dma;
next_buffer->skb = skb;
next_buffer->dma = 0;
goto next_desc;
}