alsa: fix snd_BUG_on() and friends
sound/pci/pcxhr/pcxhr_core.c: In function 'pcxhr_set_pipe_cmd_params':
sound/pci/pcxhr/pcxhr_core.c:700: warning: statement with no effect
sound/pci/pcxhr/pcxhr_core.c:706: warning: statement with no effect
sound/pci/pcxhr/pcxhr_core.c:710: warning: statement with no effect
Due to
try to fix this, and be more conventional about the empty stubs.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/core.h b/include/sound/core.h
index e5eec5f..7e55894 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -388,9 +388,13 @@
#else /* !CONFIG_SND_DEBUG */
-#define snd_printd(fmt, args...) /* nothing */
-#define snd_BUG() /* nothing */
-#define snd_BUG_ON(cond) ({/*(void)(cond);*/ 0;}) /* always false */
+#define snd_printd(fmt, args...) do { } while (0)
+#define snd_BUG() do { } while (0)
+static inline int __snd_bug_on(void)
+{
+ return 0;
+}
+#define snd_BUG_ON(cond) __snd_bug_on() /* always false */
#endif /* CONFIG_SND_DEBUG */