From: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
Subject: Re: [PATCH 11/18] Hibernate: introduced RSA key-pair to verify
 signature of snapshot
Date: Tue, 27 Aug 2013 13:29:43 +0200
Message-ID: <20130827112943.GA20527@amd.pavel.ucw.cz>
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> > > @@ -1205,6 +1290,10 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table,
> > >  
> > >  	setup_efi_pci(boot_params);
> > >  
> > > +#ifdef CONFIG_SNAPSHOT_VERIFICATION
> > > +	setup_s4_keys(boot_params);
> > > +#endif
> > > +
> > 
> > Move ifdef inside the function?
> 
> OK, I will define a dummy function for non-verification situation.

IIRC you can just put the #ifdef inside the function body. 
									Pavel
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