From: Yotam Gigi <[email protected]>
Date: Tue, 31 Jan 2017 15:14:29 +0200
> In the current version, the matchall internal state is split into two
> structs: cls_matchall_head and cls_matchall_filter. This makes little
> sense, as matchall instance supports only one filter, and there is no
> situation where one exists and the other does not. In addition, that led
> to some races when filter was deleted while packet was processed.
>
> Unify that two structs into one, thus simplifying the process of matchall
> creation and deletion. As a result, the new, delete and get callbacks have
> a dummy implementation where all the work is done in destroy and change
> callbacks, as was done in cls_cgroup.
>
> Fixes: bf3994d2ed31 ("net/sched: introduce Match-all classifier")
> Reported-by: Daniel Borkmann <[email protected]>
> Signed-off-by: Yotam Gigi <[email protected]>
> Acked-by: Jiri Pirko <[email protected]>
Applied and queued up for -stable, thanks.