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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: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-11-07 09:08:15 +01:00
parent 63cf123bf5
commit 945eed02cd
1 changed files with 2 additions and 2 deletions
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4
include/sound/core.h
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@ -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 */