ALSA: Introduce snd_BUG_ON() macro

[linux-2.6-omap-h63xx.git] / include / sound / core.h

diff --git a/include/sound/core.h b/include/sound/core.h
index 1a4ff0bdcf6ab45fa8dc0e50c80daa9c742b40d7..938c36a0e874f5514ad1fdbedc753a68de2b6603 100644 (file)
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -28,6 +28,7 @@
 #include <linux/rwsem.h>               /* struct rw_semaphore */
 #include <linux/pm.h>                  /* pm_message_t */
 #include <linux/device.h>
+#include <linux/stringify.h>
 
 /* number of supported soundcards */
 #ifdef CONFIG_SND_DYNAMIC_MINORS
@@ -405,11 +406,14 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
        dump_stack();                           \
 } while (0)
 
+#define snd_BUG_ON(cond)       WARN((cond), "BUG? (%s)\n", __stringify(cond))
+
 #else /* !CONFIG_SND_DEBUG */
 
 #define snd_printd(fmt, args...)       /* nothing */
 #define snd_assert(expr, args...)      (void)(expr)
 #define snd_BUG()                      /* nothing */
+#define snd_BUG_ON(cond)       ({/*(void)(cond);*/ 0;})  /* always false */
 
 #endif /* CONFIG_SND_DEBUG */