From: Stephen Hemminger <shemminger@linux-foundation.org>
Date: Mon, 14 May 2007 19:38:12 +0000 (-0700)
Subject: sky2: keep track of receive alloc failures
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3225b919036a3ec2e96bb36b7a4fd64c43fdbe84;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

sky2: keep track of receive alloc failures

When driver can't allocate receive buffer it drops incoming
packet. Keep a counter.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 887c1cea1b42..bde28ad9797d 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2141,8 +2141,10 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
 		switch (le->opcode & ~HW_OWNER) {
 		case OP_RXSTAT:
 			skb = sky2_receive(dev, length, status);
-			if (!skb)
+			if (unlikely(!skb)) {
+				sky2->net_stats.rx_dropped++;
 				goto force_update;
+			}
 
 			skb->protocol = eth_type_trans(skb, dev);
 			sky2->net_stats.rx_packets++;