s390: Convert BUG() to use unreachable()

Use the new unreachable() macro instead of for(;;);

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
CC: Heiko Carstens <heiko.carstens@de.ibm.com>
CC: linux390@de.ibm.com
CC: linux-s390@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 7efd0abe88871dc494e26adc1ef5b31b7edffcb4..efb74fd5156e8f14590e012260dc6f568b627d3f 100644 (file)
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -49,7 +49,7 @@
 
 #define BUG() do {                                     \
        __EMIT_BUG(0);                                  \
-       for (;;);                                       \
+       unreachable();                                  \
 } while (0)
 
 #define WARN_ON(x) ({                                  \