RE: [PATCH] xdp: Fix cleanup on map free for devmap_hash map type

[John Fastabend <john.fastabend@gmail.com>]

Toke Høiland-Jørgensen wrote:
> Tetsuo pointed out that it was not only the device unregister hook that was
> broken for devmap_hash types, it was also cleanup on map free. So better
> fix this as well.
> 
> While we're add it, there's no reason to allocate the netdev_map array for
              ^^^
              at
> DEVMAP_HASH, so skip that and adjust the cost accordingly.

Beyond saving space without pulling these apart the free would have gotten
fairly ugly.

> 
> Fixes: 6f9d451ab1a3 ("xdp: Add devmap_hash map type for looking up devices by hashed index")
> Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
> ---
>  kernel/bpf/devmap.c | 74 ++++++++++++++++++++++++++++-----------------
>  1 file changed, 46 insertions(+), 28 deletions(-)

small typo in commit message otherwise

Acked-by: John Fastabend <john.fastabend@gmail.com>