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Commit 945eed02 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: Evaluate condition in snd_BUG_ON() in non-debugging case 



Change snd_BUG_ON() to evaluate the given condition, at least, in syntax
for avoiding compile warnings such as unused variables.  The compiler
should optimize out the condition evaluation in the real code, though.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 63cf123b

include/sound/core.h

+2 −2
Original line number Diff line number Diff line
@@ -390,11 +390,11 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) 


#define snd_printd(fmt, args...)	do { } while (0)

#define snd_BUG()			do { } while (0)

static inline int __snd_bug_on(void)

static inline int __snd_bug_on(int cond)

{

	return 0;

}

#define snd_BUG_ON(cond)		__snd_bug_on()  /* always false */

#define snd_BUG_ON(cond)	__snd_bug_on(0 && (cond))  /* always false */



#endif /* CONFIG_SND_DEBUG */