atomic_t: Cast to volatile when accessing atomic variables

[cascardo/linux.git] / arch / m32r / include / asm / atomic.h

diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h
index 63f0cf0..d44a51e 100644 (file)
--- a/arch/m32r/include/asm/atomic.h
+++ b/arch/m32r/include/asm/atomic.h
@@ -26,7 +26,7 @@
  *
  * Atomically reads the value of @v.
  */
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
 
 /**
  * atomic_set - set atomic variable