igb: simplify swap in clean_rx_irq if using packet split
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>
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 1026ef4..0d33378 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3926,8 +3926,10 @@
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;
}
