s390: add missing "do {} while (0)" loop constructs to multiline macros

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/include/asm/ctl_reg.h

@@ -9,7 +9,7 @@
 
 #include <linux/bug.h>
 
-#define __ctl_load(array, low, high) {					\
+#define __ctl_load(array, low, high) do {				\
 	typedef struct { char _[sizeof(array)]; } addrtype;		\
 									\
 	BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
@@ -18,9 +18,9 @@
 		:							\
 		: "Q" (*(addrtype *)(&array)), "i" (low), "i" (high)	\
 		: "memory");						\
-}
+} while (0)
 
-#define __ctl_store(array, low, high) {					\
+#define __ctl_store(array, low, high) do {				\
 	typedef struct { char _[sizeof(array)]; } addrtype;		\
 									\
 	BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
@@ -28,7 +28,7 @@
 		"	stctg	%1,%2,%0\n"				\
 		: "=Q" (*(addrtype *)(&array))				\
 		: "i" (low), "i" (high));				\
-}
+} while (0)
 
 static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
 {

arch/s390/include/asm/processor.h

@@ -358,12 +358,12 @@ extern void (*s390_base_ext_handler_fn)(void);
 extern int memcpy_real(void *, void *, size_t);
 extern void memcpy_absolute(void *, void *, size_t);
 
-#define mem_assign_absolute(dest, val) {			\
+#define mem_assign_absolute(dest, val) do {			\
 	__typeof__(dest) __tmp = (val);				\
 								\
 	BUILD_BUG_ON(sizeof(__tmp) != sizeof(val));		\
 	memcpy_absolute(&(dest), &__tmp, sizeof(__tmp));	\
-}
+} while (0)
 
 #endif /* __ASSEMBLY__ */
 

arch/s390/include/asm/uaccess.h

@@ -38,13 +38,13 @@
 #define get_fs()        (current->thread.mm_segment)
 
 #define set_fs(x)							\
-{									\
+do {									\
 	unsigned long __pto;						\
 	current->thread.mm_segment = (x);				\
 	__pto = current->thread.mm_segment.ar4 ?			\
 		S390_lowcore.user_asce : S390_lowcore.kernel_asce;	\
 	__ctl_load(__pto, 7, 7);					\
-}
+} while (0)
 
 #define segment_eq(a,b) ((a).ar4 == (b).ar4)