diff --git a/[refs] b/[refs]
index c66e807e1c3b..cf672f708903 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a4384df3e24579d6292a1b3b41d500349948f30b
+refs/heads/master: 23b764d056bfec0a212a67229074ac281e86e021
diff --git a/trunk/arch/x86/include/asm/percpu.h b/trunk/arch/x86/include/asm/percpu.h
index 0797e748d280..cd28f9ad910d 100644
--- a/trunk/arch/x86/include/asm/percpu.h
+++ b/trunk/arch/x86/include/asm/percpu.h
@@ -77,6 +77,7 @@ do {							\
 	if (0) {					\
 		pto_T__ pto_tmp__;			\
 		pto_tmp__ = (val);			\
+		(void)pto_tmp__;			\
 	}						\
 	switch (sizeof(var)) {				\
 	case 1:						\
@@ -115,6 +116,7 @@ do {									\
 	if (0) {							\
 		pao_T__ pao_tmp__;					\
 		pao_tmp__ = (val);					\
+		(void)pao_tmp__;					\
 	}								\
 	switch (sizeof(var)) {						\
 	case 1:								\