From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <54AA5B6E.4040506@sunrus.com.cn> Date: Mon, 05 Jan 2015 17:37:50 +0800 From: Chen Gang S MIME-Version: 1.0 Subject: Re: [PATCH] s390: boot: compressed: misc: Express the return value of _sclp_print_early() References: <54A7B663.3010507@sunrus.com.cn> <20150105092105.GA4281@osiris> In-Reply-To: <20150105092105.GA4281@osiris> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: Heiko Carstens Cc: schwidefsky@de.ibm.com, linux-s390@vger.kernel.org, "linux-kernel@vger.kernel.org" List-ID: On 1/5/15 17:21, Heiko Carstens wrote: > 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 >> --- >> 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. > OK, Thanks. -- Chen Gang Open, share, and attitude like air, water, and life which God blessed