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From: Marek Lindner <mareklindner@neomailbox.ch>
Date: Mon, 20 Apr 2015 11:32:23 +0800
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Subject: Re: [B.A.T.M.A.N.] [PATCH-next 1/6] batman-adv: ignore
	netdev_set_master() calls on kernels older than 2.6.39
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On Friday, April 17, 2015 18:34:16 Sven Eckelmann wrote:
> From: Marek Lindner <mareklindner@neomailbox.ch>
> 
> batman-adv calls netdev_master_upper_dev_link() which is replaced with with
> netdev_set_master() for kernels older than 3.9 via compat.h.
> Prior to 2.6.39 netdev_set_master() contained Linux bonding calls needed to
> setup bonding devices. Calling this function from batman-adv leads to
> unexpected behavior when current batman-adv versions are used on these
> older kernels.
> 
> To fix the situation compat.h now ships its own implementation of
> netdev_set_master() which does not change the net_dev->master state
> on kernels older than 2.6.39.
> 
> Reported-by: Andreas Pape <APape@phoenixcontact.com>
> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
>  compat.h | 9 +++++++++
>  1 file changed, 9 insertions(+)

I have already cherry-picked that patch myself.

Thanks,
Marek

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