From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@osdl.org>
Subject: [PATCH] netpoll: don't send packets to detached device
Date: Wed, 18 Oct 2006 13:50:33 -0700
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Cc: Linus Torvalds <torvalds@osdl.org>, netdev@vger.kernel.org
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	Jeff Garzik <jgarzik@pobox.com>
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Netpoll shouldn't send packets to devices that have detached themselves.
This can happen during shutdown or suspend.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>


--- a/net/core/netpoll.c	2006-10-18 13:41:49.000000000 -0700
+++ b/net/core/netpoll.c	2006-10-18 13:43:44.000000000 -0700
@@ -273,7 +273,7 @@
 	int status;
 	struct netpoll_info *npinfo;
 
-	if (!np || !np->dev || !netif_running(np->dev)) {
+	if (!np || !np->dev || !netif_device_present(np->dev) || !netif_running(np->dev)) {
 		__kfree_skb(skb);
 		return;
 	}