Re: [B.A.T.M.A.N.] [PATCH v2 1/2] batman-adv: Avoid nullptr derefence in batadv_v_neigh_is_sob

[Marek Lindner <mareklindner@neomailbox.ch>]

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On Friday, May 06, 2016 11:43:38 Sven Eckelmann wrote:
> batadv_neigh_ifinfo_get can return NULL when it cannot find (even when only
> temporarily) anymore the neigh_ifinfo in the list neigh->ifinfo_list. This
> has to be checked to avoid kernel Oopses when the ifinfo is dereferenced.
> 
> This a situation which isn't expected but is already handled by functions
> like batadv_v_neigh_cmp. The same kind of warning is therefore used before
> the function returns without dereferencing the pointers.
> 
> Fixes: b05bbab5e1fc ("batman-adv: B.A.T.M.A.N. V - implement neighbor
> comparison API calls") Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
> v2: Add patch to reduce the reference counter of these functions
> 
>  net/batman-adv/bat_v.c | 3 +++
>  1 file changed, 3 insertions(+)

Applied in revision 036aa7b.

Thanks,
Marek

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