Re: [PATCH] fbcon: introduce for_each_registered_fb() helper

[Andy Shevchenko]

On Mon, 2018-07-02 at 09:36 +0200, Bernd Petrovitsch wrote:


> > +#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.

Yes, you not alone :-)

AFAIU there is a v2 which fixes that, though Daniel pointed out that DRM
has a specific macro to make life easier.

-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy