diff --git a/[refs] b/[refs]
index 5993e1be4a55..2f2f85d7a16e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4ef5651e85589e3aaca704c6d2d7ae7e794e5d25
+refs/heads/master: 5506e68975c346e55f786b554e28e368cdede444
diff --git a/trunk/arch/s390/include/asm/bug.h b/trunk/arch/s390/include/asm/bug.h
index 7efd0abe8887..efb74fd5156e 100644
--- a/trunk/arch/s390/include/asm/bug.h
+++ b/trunk/arch/s390/include/asm/bug.h
@@ -49,7 +49,7 @@
 
 #define BUG() do {					\
 	__EMIT_BUG(0);					\
-	for (;;);					\
+	unreachable();					\
 } while (0)
 
 #define WARN_ON(x) ({					\