Hi Matthias, On Fri, Nov 9, 2018 at 11:29 AM Matthias Brugger <matthias.bgg@xxxxxxxxx> wrote: > On 08/11/2018 18:58, Stephen Boyd wrote: > > Quoting Matthias Brugger (2018-11-08 00:29:46) > >> On 06/11/2018 19:36, Stephen Boyd wrote: > >>> +int platform_driver_probe_by_of_match_data(struct platform_device *pdev) > >>> +{ > >>> + int (*probe_func)(struct platform_device *pdev); > >>> + > >>> + probe_func = of_device_get_match_data(&pdev->dev); > >> > >> Shouldn't we check if probe_func is not NULL? > > > > Is the oops from the NULL pointer deref insufficient? > > Do you think we should crash the machine if someone uses the call wrongly? Or > should we provide the possibility to error out on the caller side? I believe that would be a bug in the driver, to be discovered ASAP. So yes, please do crash ;-) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds