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-rw-r--r--drivers/block/aoe/aoenet.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 162c6471275c..24eca2bf9416 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -52,13 +52,18 @@ static struct sk_buff_head skbtxq;
/* enters with txlock held */
static int
-tx(void)
+tx(void) __must_hold(&txlock)
{
struct sk_buff *skb;
+ struct net_device *ifp;
while ((skb = skb_dequeue(&skbtxq))) {
spin_unlock_irq(&txlock);
- dev_queue_xmit(skb);
+ ifp = skb->dev;
+ if (dev_queue_xmit(skb) == NET_XMIT_DROP && net_ratelimit())
+ pr_warn("aoe: packet could not be sent on %s. %s\n",
+ ifp ? ifp->name : "netif",
+ "consider increasing tx_queue_len");
spin_lock_irq(&txlock);
}
return 0;