[PATCH] netpoll transmit busy bugfix

[Matt Mackall]

Fix for handling of full transmit queue when netpoll trap is enabled.

>From Stelian Pop <stelian@xxxxxxxxxx>

%patch
Index: mm/net/core/netpoll.c
===================================================================
--- mm.orig/net/core/netpoll.c	2004-04-10 15:15:25.000000000 -0500
+++ mm/net/core/netpoll.c	2004-04-10 15:19:31.000000000 -0500
@@ -163,21 +163,15 @@
 	spin_lock(&np->dev->xmit_lock);
 	np->dev->xmit_lock_owner = smp_processor_id();
 
-	if (netif_queue_stopped(np->dev)) {
-		np->dev->xmit_lock_owner = -1;
-		spin_unlock(&np->dev->xmit_lock);
-
-		netpoll_poll(np);
-		goto repeat;
-	}
-
 	status = np->dev->hard_start_xmit(skb, np->dev);
 	np->dev->xmit_lock_owner = -1;
 	spin_unlock(&np->dev->xmit_lock);
 
 	/* transmit busy */
-	if(status)
+	if(status) {
+		netpoll_poll(np);
 		goto repeat;
+	}
 }
 
 void netpoll_send_udp(struct netpoll *np, const char *msg, int len)

%diffstat
 netpoll.c |   12 +++---------
 1 files changed, 3 insertions(+), 9 deletions(-)



-- 
Matt Mackall : http://www.selenic.com : Linux development and consulting
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