diff options
Diffstat (limited to 'include/linux/compat.h')
| -rw-r--r-- | include/linux/compat.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index a43e4d6698..2336b56cf5 100644 --- 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 |