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| author | Takashi Iwai <tiwai@suse.de> | 2008-08-08 17:06:01 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-08-13 11:46:32 +0200 |
| commit | 5ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89 (patch) | |
| tree | 1947acad9b61fa80567fa1dd20c5b8c65ff8a46d /include/sound/core.h | |
| parent | ALSA: wss_lib: missing closing brace in (ifdeffed out) debug function. (diff) | |
| download | linux-5ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89.tar.xz linux-5ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89.zip | |
ALSA: Introduce snd_BUG_ON() macro
Introduced snd_BUG_ON() macro as a replacement of snd_assert() macro.
snd_assert() is pretty ugly as it has the control flow in its argument.
OTOH, snd_BUG_ON() behaves like a normal conditional, thus it's much
easier to read the flow.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'include/sound/core.h')
| -rw-r--r-- | include/sound/core.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/sound/core.h b/include/sound/core.h index 1a4ff0bdcf6a..938c36a0e874 100644 --- 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 */ |