Joan Lledó, le jeu. 02 mai 2019 11:55:02 +0200, a ecrit:
> + uint16_t oldflags;
> + struct if_change_flags_args *args = (struct if_change_flags_args *) arg;
In C, there is no need to explicit the cast from void*.
> + ifc = netif_get_state (args->netif);
> +
> + if (ifc == NULL)
> + {
> + /* The user provided no interface */
> + errno = EINVAL;
Errno is a per-thread variable, you can not propagate the error this
way. You can for instance add an int field to if_change_flags_args, to
read it from if_change_flags and freeing it there.
Samuel