Re: dev->xmit_lock_owner?

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   From: Jeff Garzik <jgarzik@pobox.com>
   Date: Tue, 18 Feb 2003 13:33:06 -0500

   It seems that dev_watchdog, among other places, does not assign a value
   to dev->xmit_lock_owner, when it takes the lock.
   
   I think this is a bug, but could be wrong ;-)

Not a bug, only pieces of the transmit path need to follow
this rule.  It's only meant to detect devices which have
been chained in a way which forms a loop during transmit.
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