is_pipe_allocated  717 sound/pci/echoaudio/echoaudio.c 	if (snd_BUG_ON(!is_pipe_allocated(chip, pipe_index)))
is_pipe_allocated 1099 sound/pci/echoaudio/echoaudio_dsp.c 	if (snd_BUG_ON(!is_pipe_allocated(chip, pipe->index)))