> [NETLINK]: Kill CB only when socket is unused
>
> Since we can still receive packets until all references to the
> socket are gone, we don't need to kill the CB until that happens.
> This also aligns ourselves with the receive queue purging which
> happens at that point.
>
> Original patch by Pavel Emelianov who noticed this race condition.
>
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert, could you refresh this refinement to the current
tree?