[PATCH] drivers/net/amd8111e.c: fix NAPI interrupt in poll

  This patch makes the netif_rx_complete() and rx_interrupt_enable
  atomic when exiting the poll() method, so to avoid interrupt in poll.
  It also fixes the rx interrupt check logic in interrupt handler.

  Signed-off-by: Liu Tao <liutao1980@gmail.com>
  Signed-off-by: Jeff Garzik <jgarzik@pobox.com>