> On Thu, Mar 9, 2023 at 9:01 PM Vincenzo Palazzo > <vincenzopalazzodev@xxxxxxxxx> wrote: > > > > Emit a warning when the mod description is missed and only > > when the W=1 is enabled. > > > > Reported-by: Roland Kletzing <devzero@xxxxxx> > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=10770 > > Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@xxxxxxxxx> > > --- > > scripts/mod/modpost.c | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c > > index efff8078e395..433518dfc472 100644 > > --- a/scripts/mod/modpost.c > > +++ b/scripts/mod/modpost.c > > @@ -1824,6 +1824,10 @@ static void read_symbols(const char *modname) > > } > > } > > > > +#ifdef WARN > > + if (!get_modinfo(&info, "description")) > > + warn("missing MODULE_DESCRIPTION() in %s\n", modname); > > +#endif > > for (sym = info.symtab_start; sym < info.symtab_stop; sym++) { > > symname = remove_dot(info.strtab + sym->st_name); > > > Sorry for the delay. > > Users need to do "make HOSTCFLAGS=-DWARN" to make it work, > but nobody would do it. Ok coming on this with some more time while my machine is building, my code should work with the `make W=1` (but the kernel do not work with the warnings enables) I do not know if you was meaning another thing. > I did a ground work: > https://patchwork.kernel.org/project/linux-kbuild/patch/20230606094159.1910369-1-masahiroy@xxxxxxxxxx/ > > > > Then, you can do like this: > > if (extra_warn && !get_modinfo(&info, "description")) > warn("missing MODULE_DESCRIPTION() in %s\n", modname); > Preparing the version 3. Vincent.