Emit a warning when the mod description is missed and only when the W=1 is enabled. Based on top: https://patchwork.kernel.org/project/linux-kbuild/patch/20230606094159.1910369-1-masahiroy@xxxxxxxxxx/ 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 d4531d09984d..8795af0edba8 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1818,6 +1818,10 @@ static void read_symbols(const char *modname) } } +#ifdef WARN + if (extra_warn && !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); -- 2.41.0