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Date:	Mon, 5 Jan 2015 10:21:05 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Chen Gang <gang.chen@...rus.com.cn>
Cc:	schwidefsky@...ibm.com, linux-s390@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] s390: boot: compressed: misc: Express the return value
 of _sclp_print_early()

On Sat, Jan 03, 2015 at 05:29:07PM +0800, Chen Gang wrote:
> _sclp_print_early() has return value: at present, return 0 for OK, 1 for
> failure. It returns '%r2', so use 'long' as return value (upper caller
> can check '%r2' directly). The related warning:
> 
>     CC      arch/s390/boot/compressed/misc.o
>   arch/s390/boot/compressed/misc.c:66:8: warning: type defaults to 'int' in declaration of '_sclp_print_early' [-Wimplicit-int]
>    extern _sclp_print_early(const char *);
>           ^
> 
> At present, _sclp_print_early() is only used by puts(), so can still
> remain its declaration in 'misc.c' file.
> 
> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
> ---
>  arch/s390/boot/compressed/misc.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
> index 57cbaff..09003b2 100644
> --- a/arch/s390/boot/compressed/misc.c
> +++ b/arch/s390/boot/compressed/misc.c
> @@ -63,7 +63,7 @@ static unsigned long free_mem_end_ptr;
>  #include "../../../../lib/decompress_unxz.c"
>  #endif
>  
> -extern _sclp_print_early(const char *);
> +extern long _sclp_print_early(const char *);

Thanks, applied. However I moved the declaration to the sclp header file.

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