From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20081127103135.348578690@de.ibm.com> References: <20081127103020.528516828@de.ibm.com> Date: Thu, 27 Nov 2008 11:30:47 +0100 From: Martin Schwidefsky Subject: [patch 27/60] remove warnings with functions ending in BUG Content-Disposition: inline; filename=126-bug-warning.diff Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Heiko Carstens , Martin Schwidefsky List-ID: From: Martin Schwidefsky Functions which end in a BUG() statement and skip the return statement cause compile warnings on s390, e.g.: mm/bootmem.c: In function 'mark_bootmem': mm/bootmem.c:321: warning: control reaches end of non-void function To avoid the warning add an endless loop to the BUG() macro. Signed-off-by: Martin Schwidefsky Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/bug.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: quilt-2.6/arch/s390/include/asm/bug.h =================================================================== --- quilt-2.6.orig/arch/s390/include/asm/bug.h +++ quilt-2.6/arch/s390/include/asm/bug.h @@ -47,7 +47,10 @@ #endif /* CONFIG_DEBUG_BUGVERBOSE */ -#define BUG() __EMIT_BUG(0) +#define BUG() do { \ + __EMIT_BUG(0); \ + for (;;); \ +} while (0) #define WARN_ON(x) ({ \ int __ret_warn_on = !!(x); \ -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.