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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>
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1 changed files with 2 additions and 2 deletions
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@ -390,11 +390,11 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
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#define snd_printd(fmt, args...) do { } while (0)
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#define snd_printd(fmt, args...) do { } while (0)
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#define snd_BUG() do { } while (0)
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#define snd_BUG() do { } while (0)
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static inline int __snd_bug_on(void)
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static inline int __snd_bug_on(int cond)
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{
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{
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return 0;
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return 0;
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}
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}
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#define snd_BUG_ON(cond) __snd_bug_on() /* always false */
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#define snd_BUG_ON(cond) __snd_bug_on(0 && (cond)) /* always false */
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#endif /* CONFIG_SND_DEBUG */
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#endif /* CONFIG_SND_DEBUG */
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