[PATCH] arm: decompressor: mark error() as __noreturn

From: Arnd Bergmann
Date: Wed Apr 04 2018 - 08:31:43 EST

gcc complains about fortify_panic() possibly returning:

arch/arm/boot/compressed/misc.c: In function 'fortify_panic':
arch/arm/boot/compressed/misc.c:167:1: error: 'noreturn' function does return [-Werror]

This annotates the error() function as __noreturn, which lets gcc
see in all configurations that it fortify_panic() cannot return either.

Fixes: ee333554fed5 ("ARM: 8749/1: Kconfig: Add ARCH_HAS_FORTIFY_SOURCE")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
arch/arm/boot/compressed/misc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 009db7d275f8..313a587d656b 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -24,7 +24,7 @@ unsigned int __machine_arch_type;
#include <linux/linkage.h>

static void putstr(const char *ptr);
-extern void error(char *x);
+extern void error(char *x) __noreturn;