netdev - Re: [PATCH 1/3] bonding: fix double dev_add

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Message-ID: <45ED4C14.2020301@pobox.com>
Date:	Tue, 06 Mar 2007 06:10:12 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Jay Vosburgh <fubar@...ibm.com>
CC:	netdev@...r.kernel.org, bonding-devel@...ts.sourceforge.net
Subject: Re: [PATCH 1/3] bonding: fix double dev_add_pack

Jay Vosburgh wrote:
> 	Bonding can erroneously register the same packet_type to receive
> ARPs (for use by ARP validation): once at device open time, and once via
> sysfs.  Since sysfs can change the validate setting (and thus register
> or unregister) at any time, a flag is needed to synchronize with device
> open in order to avoid double registrations, and the simplest place is
> within the packet_type structure itself.  Double unregister is not an
> issue.
> 
> 	Bug reported by Ulrich Oelmann <ulrich.oelmann@....de>.
> 
> Signed-off-by: Jay Vosburgh <fubar@...ibm.com>

applied 1-3


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