snd_BUG_ON 176 include/sound/compress_driver.h if (snd_BUG_ON(!stream)) snd_BUG_ON 386 include/sound/core.h #define snd_BUG_ON(cond) WARN_ON((cond)) snd_BUG_ON 1060 include/sound/pcm.h #define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)