On Mon, Jan 31, 2022 at 6:07 PM Hector Martin <marcan@xxxxxxxxx> wrote: > > This unbreaks support for USB devices, which do not have a board_type > to create an alt_path out of and thus were running into a NULL > dereference. ... > @@ -599,6 +599,9 @@ static char *brcm_alt_fw_path(const char *path, const char *board_type) > char alt_path[BRCMF_FW_NAME_LEN]; > char suffix[5]; > > + if (!board_type) > + return NULL; I still think it's better to have both callers do the same thing. Now it will be the double check in one case, -- With Best Regards, Andy Shevchenko