On Thu, 16 Nov 2023, Luben Tuikov <ltuikov89@xxxxxxxxx> wrote: > drm_{err,warn,...}() use __drm_printk() which takes a drm device pointer and > uses the embedded device pointer to print the device. This facility handles > NULL device pointer, but not NULL drm device pointer. This patch makes > __drm_printk() also handle a NULL drm device pointer. The printed output is > identical to if drm->dev had been NULL. > > Signed-off-by: Luben Tuikov <ltuikov89@xxxxxxxxx> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> > --- > include/drm/drm_print.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h > index a93a387f8a1a15..dd4883df876a6d 100644 > --- a/include/drm/drm_print.h > +++ b/include/drm/drm_print.h > @@ -453,7 +453,7 @@ void __drm_dev_dbg(struct _ddebug *desc, const struct device *dev, > > /* Helper for struct drm_device based logging. */ > #define __drm_printk(drm, level, type, fmt, ...) \ > - dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) > + dev_##level##type((drm) ? (drm)->dev : NULL, "[drm] " fmt, ##__VA_ARGS__) > > > #define drm_info(drm, fmt, ...) \ > > base-commit: 3b434a3445fff3149128db0169da864d67057325 -- Jani Nikula, Intel