warn: Turn the netdev timeout WARN_ON() into a WARN()

[linux-2.6] / include / asm-generic / bug.h

diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index a3f738cffdb61a0057ffb8a1cd9a012e30b72f24..edc6ba82e090961a841cd37b54cb6abc0311b4d7 100644 (file)
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -97,6 +97,16 @@ extern void warn_slowpath(const char *file, const int line,
        unlikely(__ret_warn_once);                              \
 })
 
+#define WARN_ONCE(condition, format...)        ({                      \
+       static int __warned;                                    \
+       int __ret_warn_once = !!(condition);                    \
+                                                               \
+       if (unlikely(__ret_warn_once))                          \
+               if (WARN(!__warned, format))                    \
+                       __warned = 1;                           \
+       unlikely(__ret_warn_once);                              \
+})
+
 #define WARN_ON_RATELIMIT(condition, state)                    \
                WARN_ON((condition) && __ratelimit(state))