powerpc: Convert BUG() to use unreachable()

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

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Paul Mackerras <paulus@samba.org>
CC: linuxppc-dev@ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index 64e1fdc..2c15212 100644 (file)
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -68,7 +68,7 @@
                _EMIT_BUG_ENTRY                                 \
                : : "i" (__FILE__), "i" (__LINE__),             \
                    "i" (0), "i"  (sizeof(struct bug_entry)));  \
-       for(;;) ;                                               \
+       unreachable();                                          \
 } while (0)
 
 #define BUG_ON(x) do {                                         \