bug.h: Fix build with CONFIG_PRINTK disabled.

Based upon an email by Joe Perches. Reported-by: Randy Dunlap <[email protected]> Signed-off-by: David S. Miller <[email protected]> Acked-by: Randy Dunlap <[email protected]>
maraz · May 24, 2011 · 6b36783 · 6b36783
1 parent 1f37070
commit 6b36783
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
@@ -162,6 +162,8 @@ extern void warn_slowpath_null(const char *file, const int line);
 	unlikely(__ret_warn_once);				\
 })
 
+#ifdef CONFIG_PRINTK
+
 #define WARN_ON_RATELIMIT(condition, state)			\
 		WARN_ON((condition) && __ratelimit(state))
 
@@ -181,6 +183,25 @@ extern void warn_slowpath_null(const char *file, const int line);
 	__WARN_RATELIMIT(condition, &_rs, format);		\
 })
 
+#else
+
+#define WARN_ON_RATELIMIT(condition, state)			\
+	WARN_ON(condition)
+
+#define __WARN_RATELIMIT(condition, state, format...)		\
+({								\
+	int rtn = WARN(condition, format);			\
+	rtn;							\
+})
+
+#define WARN_RATELIMIT(condition, format...)			\
+({								\
+	int rtn = WARN(condition, format);			\
+	rtn;							\
+})
+
+#endif
+
 /*
  * WARN_ON_SMP() is for cases that the warning is either
  * meaningless for !SMP or may even cause failures.