tree 13c3514760ea7c0c8dce8ce17257fc889239a5db
parent 60713a0ca7fd6651b951cc1b4dbd528d1fc0281b
author Steve Glendinning <steve.glendinning@shawell.net> 1352355981 +0000
committer David S. Miller <davem@davemloft.net> 1352498372 -0500

usbnet: ratelimit kevent may have been dropped warnings

when something goes wrong, a flood of these messages can be
generated by usbnet (thousands per second).  This doesn't
generally *help* the condition so this patch ratelimits the
rate of their generation.

There's an underlying problem in usbnet's kevent deferral
mechanism which needs fixing, specifically that events *can*
get dropped and not handled.  This patch doesn't address this,
but just mitigates fallout caused by the current implemention.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>