On Mon, Sep 28, 2020 at 10:08:02AM +0100, Lorenz Bauer wrote: > Allow passing a pointer to a BTF struct sock_common* when updating > a sockmap or sockhash. Since BTF pointers can fault and therefore be > NULL at runtime we need to add an additional !sk check to > sock_map_update_elem. Since we may be passed a request or timewait > socket we also need to check sk_fullsock. Doing this allows calling > map_update_elem on sockmap from bpf_iter context, which uses > BTF pointers. Acked-by: Martin KaFai Lau <kafai@xxxxxx>
