s390: add block after label

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

diff --git a/urcu/uatomic_arch_s390.h b/urcu/uatomic_arch_s390.h
index 6b4e17eb78ad7cda400a0cae63e24f863502ea89..b67259ec082c7d26ac947ec6087c5f98e12963a4 100644 (file)
--- a/urcu/uatomic_arch_s390.h
+++ b/urcu/uatomic_arch_s390.h
@@ -52,6 +52,7 @@ unsigned long _uatomic_exchange(volatile void *addr, unsigned long val, int len)
 {
        switch (len) {
        case 4:
+       {
                unsigned int old_val;
 
                __asm__ __volatile__(
@@ -60,8 +61,10 @@ unsigned long _uatomic_exchange(volatile void *addr, unsigned long val, int len)
                        : "=&r"(old_val), "=m" (*addr)
                        : "r"(val), "m" (*addr)
                        : "memory", "cc");
+       }
 #if (BITS_PER_LONG == 64)
        case 8:
+       {
                unsigned long old_val;
 
                __asm__ __volatile__(
@@ -70,6 +73,7 @@ unsigned long _uatomic_exchange(volatile void *addr, unsigned long val, int len)
                        : "=&r"(old_val), "=m" (*addr)
                        : "r"(val), "m" (*addr)
                        : "memory", "cc");
+       }
 #endif
        default:
                __asm__ __volatile__(".long     0xd00d00");
@@ -90,6 +94,7 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old,
 {
        switch (len) {
        case 4:
+       {
                unsigned int old_val = (unsigned int)old;
 
                __asm__ __volatile__(
@@ -98,6 +103,7 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old,
                        : "r"(new)
                        : "memory", "cc");
                return old_val;
+       }
 #if (BITS_PER_LONG == 64)
        case 8:
                __asm__ __volatile__(