Re: [tip:core/urgent] WARN_ON_SMP(): Allow use in if() statements on UP

[Alexey Dobriyan <adobriyan@xxxxxxxxx>]

On Fri, Mar 25, 2011 at 03:40:34PM -0400, Steven Rostedt wrote:
> On Fri, 2011-03-25 at 21:31 +0200, Alexey Dobriyan wrote:
> 
> > > Would you like me to add a comment that states:
> > > 
> > > 	/*
> > > 	 * Use ({0;}) as just "0" will cause gcc to output:
> > > 	 *   warning: statement with no effect
> > > 	 */
> > 
> > Try ((void)0)
> 
> Maybe I should update the comment to stop further confusion:

Ah!

I always thought if (WARN_ON(x)) is confusing and should be banned.
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