[PATCH][next] powerpc/xmon: Fix -Wswitch-unreachable warning in bpt_cmds

[Kees Cook]

On Fri, Sep 16, 2022 at 03:15:04PM +0100, Gustavo A. R. Silva wrote:
> When building with automatic stack variable initialization, GCC 12
> complains about variables defined outside of switch case statements.
> Move the variable into the case that uses it, which silences the warning:
> 
> arch/powerpc/xmon/xmon.c: In function ‘bpt_cmds’:
> arch/powerpc/xmon/xmon.c:1529:13: warning: statement will never be executed [-Wswitch-unreachable]
>  1529 |         int mode;
>       |             ^~~~
> 
> Fixes: 09b6c1129f89 ("powerpc/xmon: Fix compile error with PPC_8xx=y")
> Signed-off-by: Gustavo A. R. Silva <gustavoars at kernel.org>

Reviewed-by: Kees Cook <keescook at chromium.org>

-- 
Kees Cook