amd8111e: Fix rx return code
The amd8111e rx poll routine currently mishandles the case when we
process exactly the number of packets specified in the budget.
This patch is basically as suggested by David Miller.
Signed-off-by: Chris Friesen <cfriesen@nortel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/amd8111e.c b/drivers/net/amd8111e.c
index c54967f..ba1be0b 100644
--- a/drivers/net/amd8111e.c
+++ b/drivers/net/amd8111e.c
@@ -833,12 +833,14 @@
} while(intr0 & RINT0);
- /* Receive descriptor is empty now */
- spin_lock_irqsave(&lp->lock, flags);
- __netif_rx_complete(dev, napi);
- writel(VAL0|RINTEN0, mmio + INTEN0);
- writel(VAL2 | RDMD0, mmio + CMD0);
- spin_unlock_irqrestore(&lp->lock, flags);
+ if (rx_pkt_limit > 0) {
+ /* Receive descriptor is empty now */
+ spin_lock_irqsave(&lp->lock, flags);
+ __netif_rx_complete(dev, napi);
+ writel(VAL0|RINTEN0, mmio + INTEN0);
+ writel(VAL2 | RDMD0, mmio + CMD0);
+ spin_unlock_irqrestore(&lp->lock, flags);
+ }
rx_not_empty:
return num_rx_pkt;