Re: [PATCH] bridge: fix parsing of MLDv2 reports

[David Miller]

From: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx>
Date: Fri, 22 May 2015 12:18:59 -0300

> When more than a multicast address is present in a MLDv2 report, all but
> the first address is ignored, because the code breaks out of the loop if
> there has not been an error adding that address.
> 
> This has caused failures when two guests connected through the bridge
> tried to communicate using IPv6. Neighbor discoveries would not be
> transmitted to the other guest when both used a link-local address and a
> static address.
> 
> This only happens when there is a MLDv2 querier in the network.
> 
> The fix will only break out of the loop when there is a failure adding a
> multicast address.
 ...
> Reported-by: Rik Theys <Rik.Theys@xxxxxxxxxxxxxxxx>
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx>
> Tested-by: Rik Theys <Rik.Theys@xxxxxxxxxxxxxxxx>

Applied and queued up for -stable, thanks.
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