bug.h: Fix build with CONFIG_PRINTK disabled.
Based upon an email by Joe Perches.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 12b250c..9178484 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -162,6 +162,8 @@
unlikely(__ret_warn_once); \
})
+#ifdef CONFIG_PRINTK
+
#define WARN_ON_RATELIMIT(condition, state) \
WARN_ON((condition) && __ratelimit(state))
@@ -181,6 +183,25 @@
__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.