1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 162c6471275c..71d3ea8d3006 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -31,7 +31,7 @@ enum {
 
 static char aoe_iflist[IFLISTSZ];
 module_param_string(aoe_iflist, aoe_iflist, IFLISTSZ, 0600);
-MODULE_PARM_DESC(aoe_iflist, "aoe_iflist=\"dev1 [dev2 ...]\"");
+MODULE_PARM_DESC(aoe_iflist, "aoe_iflist=dev1[,dev2...]");
 
 static wait_queue_head_t txwq;
 static struct ktstate kts;
@@ -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;
@@ -119,8 +124,8 @@ aoenet_xmit(struct sk_buff_head *queue)
         }
 }
 
-/* 
- * (1) len doesn't include the header by default.  I want this. 
+/*
+ * (1) len doesn't include the header by default.  I want this.
  */
 static int
 aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt, struct net_device *orig_dev)