On Wed, 19 Aug 2020 10:24:32 +0100 Lorenz Bauer wrote: > --- a/net/core/sock_map.c > +++ b/net/core/sock_map.c > @@ -559,10 +559,12 @@ static bool sock_map_sk_state_allowed(const struct sock *sk) > return false; > } > > -static int sock_map_update_elem(struct bpf_map *map, void *key, > - void *value, u64 flags) > +static int sock_hash_update_common(struct bpf_map *map, void *key, > + struct sock *sk, u64 flags); > + > +int sock_map_update_elem(struct bpf_map *map, void *key, > + void *value, u64 flags) > { > - u32 idx = *(u32 *)key; > struct socket *sock; > struct sock *sk; > int ret; net/core/sock_map.c:565:5: warning: no previous prototype for ‘sock_map_update_elem’ [-Wmissing-prototypes] 565 | int sock_map_update_elem(struct bpf_map *map, void *key, | ^~~~~~~~~~~~~~~~~~~~