Commit c846ad9b authored by Ben Greear's avatar Ben Greear Committed by David S. Miller

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: default avatarBen Greear <>
Signed-off-by: default avatarDavid S. Miller <>
parent b261c20f
...@@ -2148,6 +2148,9 @@ static void skb_warn_bad_offload(const struct sk_buff *skb) ...@@ -2148,6 +2148,9 @@ static void skb_warn_bad_offload(const struct sk_buff *skb)
struct net_device *dev = skb->dev; struct net_device *dev = skb->dev;
const char *driver = ""; const char *driver = "";
if (!net_ratelimit())
if (dev && dev->dev.parent) if (dev && dev->dev.parent)
driver = dev_driver_string(dev->dev.parent); driver = dev_driver_string(dev->dev.parent);
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