3969 	signed char *channel_buf;  in snd_hdsp_playback_copy()  local
3974 	channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);  in snd_hdsp_playback_copy()
3975 	if (snd_BUG_ON(!channel_buf))  in snd_hdsp_playback_copy()
3977 	if (copy_from_iter(channel_buf + pos, count, src) != count)  in snd_hdsp_playback_copy()
3987 	signed char *channel_buf;  in snd_hdsp_capture_copy()  local
3992 	channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);  in snd_hdsp_capture_copy()
3993 	if (snd_BUG_ON(!channel_buf))  in snd_hdsp_capture_copy()
3995 	if (copy_to_iter(channel_buf + pos, count, dst) != count)  in snd_hdsp_capture_copy()
4005 	signed char *channel_buf;  in snd_hdsp_hw_silence()  local
4007 	channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);  in snd_hdsp_hw_silence()
4008 	if (snd_BUG_ON(!channel_buf))  in snd_hdsp_hw_silence()
4010 	memset(channel_buf + pos, 0, count);  in snd_hdsp_hw_silence()