Re: [B.A.T.M.A.N.] [PATCH next v2 2/4] batman-adv: Don't propagate negative dev_queue_xmit return values

[Marek Lindner <mareklindner@neomailbox.ch>]

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On Monday, June 20, 2016 19:53:28 Sven Eckelmann wrote:
> batadv_send_skb_packet used by batadv_send_skb_to_orig and its return value
> is given directly to callers of batadv_send_skb_packet.
> 
>     batadv_send_skb_to_orig
>     -> batadv_send_unicast_skb
>        -> batadv_send_skb_packet
>           -> dev_queue_xmit
> 
> These callers of batadv_send_skb_to_orig expect that the skb isn't consumed
> when they receive a -1. But dev_queue_xmit may still have consumed it and
> still returned -1. Thus the free for the skb would be called twice.
> 
> Fixes: e3b8acbff9c8 ("batman-adv: return netdev status in the TX path")
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
> v2:
>  - rebased on current master
>  - added patch to a common set of related patches
> 
>  net/batman-adv/send.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)

Applied in revision a20149c.

Thanks,
Marek

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