Merge branch 'master' of git://git.denx.de/u-boot-samsung

[platform/kernel/u-boot.git] / include / linux / compat.h

diff --git a/include/linux/compat.h b/include/linux/compat.h
index a43e4d6..2336b56 100644 (file)
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -106,8 +106,12 @@ static inline void kmem_cache_destroy(struct kmem_cache *cachep)
 #define BUG_ON(condition) do { if (condition) BUG(); } while(0)
 #endif /* BUG */
 
-#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
-                                 , __FILE__, __LINE__); }
+#define WARN_ON(condition) ({                                          \
+       int __ret_warn_on = !!(condition);                              \
+       if (unlikely(__ret_warn_on))                                    \
+               printf("WARNING in %s line %d\n", __FILE__, __LINE__);  \
+       unlikely(__ret_warn_on);                                        \
+})
 
 #define PAGE_SIZE      4096