On 1/23/19 4:27 AM, Aya Levin wrote: >>> @@ -1298,6 +1322,12 @@ static int dl_argv_parse(struct dl *dl, uint32_t >>> o_required, >>> return -EINVAL; >>> } >>> >>> + if ((o_required & DL_OPT_HEALTH_REPORTER_NAME) && >>> + !(o_found & DL_OPT_HEALTH_REPORTER_NAME)) { >>> + pr_err("Reporter name expected.\n"); >>> + return -EINVAL; >>> + } >> >> I realize your are following suit with this change, but these checks for >> 'required and not found' are getting really long. There is a better way >> to do this. > Do you mean somthing like: > #define requiered_not_found(o_found, o_required, flag, msg) \ > ({ \ > if ((o_required & flag) && !(o_found & flag)) { \ > pr_err("%s \n", msg); \ > return -EINVAL; \ > } \ > }) >
That's one way. I was also thinking a helper that does a single loop with an array of bits and messages to print if required and not found. That parse function is currently 355 lines long with a lot of repetition.