#include <linux/compiler.h>
#ifdef CONFIG_BUG
+
+#ifdef CONFIG_GENERIC_BUG
+#ifndef __ASSEMBLY__
+struct bug_entry {
+ unsigned long bug_addr;
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+ const char *file;
+ unsigned short line;
+#endif
+ unsigned short flags;
+};
+#endif /* __ASSEMBLY__ */
+
+#define BUGFLAG_WARNING (1<<0)
+#endif /* CONFIG_GENERIC_BUG */
+
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
#endif
#ifndef HAVE_ARCH_WARN_ON
-#define WARN_ON(condition) do { \
- if (unlikely((condition)!=0)) { \
- printk("BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
- dump_stack(); \
- } \
-} while (0)
+#define WARN_ON(condition) ({ \
+ typeof(condition) __ret_warn_on = (condition); \
+ if (unlikely(__ret_warn_on)) { \
+ printk("BUG: at %s:%d %s()\n", __FILE__, \
+ __LINE__, __FUNCTION__); \
+ dump_stack(); \
+ } \
+ unlikely(__ret_warn_on); \
+})
#endif
#else /* !CONFIG_BUG */
#endif
#ifndef HAVE_ARCH_WARN_ON
-#define WARN_ON(condition) do { if (condition) ; } while(0)
+#define WARN_ON(condition) ({ \
+ typeof(condition) __ret_warn_on = (condition); \
+ unlikely(__ret_warn_on); \
+})
#endif
#endif
-#define WARN_ON_ONCE(condition) \
-({ \
- static int __warn_once = 1; \
- int __ret = 0; \
- \
- if (unlikely((condition) && __warn_once)) { \
- __warn_once = 0; \
- WARN_ON(1); \
- __ret = 1; \
- } \
- __ret; \
+#define WARN_ON_ONCE(condition) ({ \
+ static int __warned; \
+ typeof(condition) __ret_warn_once = (condition); \
+ \
+ if (unlikely(__ret_warn_once)) \
+ if (WARN_ON(!__warned)) \
+ __warned = 1; \
+ unlikely(__ret_warn_once); \
})
#ifdef CONFIG_SMP