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