[PATCH 3/3] powerpc/8xx: xmon compile fix

[David Laight]

From:  Michael Ellerman
> Sent: 26 May 2017 08:24
> Nicholas Piggin <npiggin at gmail.com> writes:
> > diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
> > index f11f65634aab..438fdb0fb142 100644
> > --- a/arch/powerpc/xmon/xmon.c
> > +++ b/arch/powerpc/xmon/xmon.c
> > @@ -1242,14 +1242,16 @@ bpt_cmds(void)
> >  {
> >  	int cmd;
> >  	unsigned long a;
> > -	int mode, i;
> > +	int i;
> >  	struct bpt *bp;
> > -	const char badaddr[] = "Only kernel addresses are permitted "
> > -		"for breakpoints\n";
> >
> >  	cmd = inchar();
> >  	switch (cmd) {
> > -#ifndef CONFIG_8xx
> > +#ifndef CONFIG_PPC_8xx
> > +	int mode;
> > +	const char badaddr[] = "Only kernel addresses are permitted "
> > +		"for breakpoints\n";
> > +
> >  	case 'd':	/* bd - hardware data breakpoint */
> >  		mode = 7;
> >  		cmd = inchar();
> 
> GCC 7 rejects this:
> 
>   arch/powerpc/xmon/xmon.c: In function bpt_cmds:
>   arch/powerpc/xmon/xmon.c:1252:13: error: statement will never be executed [-Werror=switch-
> unreachable]
>     const char badaddr[] = "Only kernel addresses are permitted for breakpoints\n";
>                ^~~~~~~

Try 'static' ?

	David