Commit c846ad9b authored Apr 19, 2013 by Ben Greear Committed by David S. Miller Apr 19, 2013

net: rate-limit warn-bad-offload splats.



If one does do something unfortunate and allow a
bad offload bug into the kernel, this the
skb_warn_bad_offload can effectively live-lock the
system, filling the logs with the same error over
and over.

Add rate limitation to this so that box remains otherwise
functional in this case.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b261c20f

net/core/dev.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2148,6 +2148,9 @@ static void skb_warn_bad_offload(const struct sk_buff *skb)
		struct net_device *dev = skb->dev;
		const char *driver = "";

		if (!net_ratelimit())
		return;

		if (dev && dev->dev.parent)
		driver = dev_driver_string(dev->dev.parent);