netdev - Re: [UML]: uml-net: don't set IFF_ALLMULTI in set_multicast

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Date:	Wed, 26 Mar 2008 07:13:51 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Jeff Garzik <jeff@...zik.org>
CC:	jdike@...toit.com, user-mode-linux-devel@...ts.sourceforge.net,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [UML]: uml-net: don't set IFF_ALLMULTI in set_multicast_list

Jeff Garzik wrote:
>>  static void uml_net_set_multicast_list(struct net_device *dev)
>>  {
>> -    if (dev->flags & IFF_PROMISC)
>> -        return;
>> -    else if (dev->mc_count)
>> -        dev->flags |= IFF_ALLMULTI;
>> -    else dev->flags &= ~IFF_ALLMULTI;
>> +    return;
>>  }
> 
> 
> 
> Might as well just delete the hook at that point...


I kept it so SIOCADDMULTI/SIOCDELMULTI ioctls continue to
work on UML devices. I don't know if any userspace applications
check for errors when using these ioctls, this way nothing
can break.
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