Hi all! On Fri, 2018-06-29 at 00:20 +0800, Yisheng Xie wrote: [...] > diff --git a/include/linux/fb.h b/include/linux/fb.h > index aa74a22..3e13b95 100644 > --- a/include/linux/fb.h > +++ b/include/linux/fb.h > @@ -650,6 +650,10 @@ extern int fb_get_color_depth(struct > fb_var_screeninfo *var, > extern int num_registered_fb; > extern struct class *fb_class; > > +#define for_each_registered_fb(i) \ > + for (i = 0; i < FB_MAX; i++) \ > + if (registered_fb[i]) > + That leaves the possibility of a dangling-else. ---- snip ---- #define for_each_registered_fb(i) \ for (i = 0; i < FB_MAX; i++) \ if (!registered_fb[i]) \ continue; \ else ---- snip ---- avoids that. Kind regards, Bernd -- Bernd Petrovitsch Email : bernd@xxxxxxxxxxxxxxxxxxx LUGA : http://www.luga.at _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel