net: systemport: Be drop monitor friendly while re-allocating headroom
During bcm_sysport_insert_tsb() make sure we differentiate a SKB
headroom re-allocation failure from the normal swap and replace path.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 977d9dec..6c40cf6 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1230,12 +1230,13 @@ static struct sk_buff *bcm_sysport_insert_tsb(struct sk_buff *skb,
/* Re-allocate SKB if needed */
if (unlikely(skb_headroom(skb) < sizeof(*tsb))) {
nskb = skb_realloc_headroom(skb, sizeof(*tsb));
- dev_kfree_skb(skb);
if (!nskb) {
+ dev_kfree_skb_any(skb);
dev->stats.tx_errors++;
dev->stats.tx_dropped++;
return NULL;
}
+ dev_consume_skb_any(skb);
skb = nskb;
}
