Don't call a warnign a bug. It's a warning.

Change the default printout message for WARN_ON() to say what it is, not
something else.  I'm tired of having people get all aflutter about a warning.
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

include/asm-generic/bug.h

@@ -35,7 +35,7 @@ struct bug_entry {
 #define WARN_ON(condition) ({						\
 	typeof(condition) __ret_warn_on = (condition);			\
 	if (unlikely(__ret_warn_on)) {					\
-		printk("BUG: at %s:%d %s()\n", __FILE__,		\
+		printk("WARNING: at %s:%d %s()\n", __FILE__,		\
 			__LINE__, __FUNCTION__);			\
 		dump_stack();						\
 	}								\