On Wednesday, February 18, 2015 17:10:12 Andreas Pape wrote:
> The essential call is in patch 2 as assumed. As soon as I add the
> netdev_master_upper_dev_link call again to the compilable code, the
> problem starts to occur (mesh doesn't work as soon as bat0 is added to the
> bridge, ogm packets can be seen at bat0). It seems that this call behaves
> in older kernels different compared to newer ones.
> 
> I haven't tried to add all the other excluded parts again except for the
> netdev_master_upper_dev_link call. If you are interested I can test this
> tomorrow, too.

Can you try the attached patch without applying any of the previous patches ?
This patch is meant to fix the compat issue without harming any functionality 
and could be included in the next release.

Cheers,
Marek