252 	struct f_audio_buf *copy_buf;  in f_audio_buffer_alloc()  local
254 	copy_buf = kzalloc(sizeof *copy_buf, GFP_ATOMIC);  in f_audio_buffer_alloc()
255 	if (!copy_buf)  in f_audio_buffer_alloc()
258 	copy_buf->buf = kzalloc(buf_size, GFP_ATOMIC);  in f_audio_buffer_alloc()
259 	if (!copy_buf->buf) {  in f_audio_buffer_alloc()
260 		kfree(copy_buf);  in f_audio_buffer_alloc()
264 	return copy_buf;  in f_audio_buffer_alloc()
284 	struct f_audio_buf *copy_buf;  member
325 	struct f_audio_buf *copy_buf = audio->copy_buf;  in f_audio_out_ep_complete()  local
334 	if (!copy_buf)  in f_audio_out_ep_complete()
338 	if (audio_buf_size - copy_buf->actual < req->actual) {  in f_audio_out_ep_complete()
340 		list_add_tail(&copy_buf->list, &audio->play_queue);  in f_audio_out_ep_complete()
343 		copy_buf = f_audio_buffer_alloc(audio_buf_size);  in f_audio_out_ep_complete()
344 		if (IS_ERR(copy_buf))  in f_audio_out_ep_complete()
348 	memcpy(copy_buf->buf + copy_buf->actual, req->buf, req->actual);  in f_audio_out_ep_complete()
349 	copy_buf->actual += req->actual;  in f_audio_out_ep_complete()
350 	audio->copy_buf = copy_buf;  in f_audio_out_ep_complete()
611 			audio->copy_buf = f_audio_buffer_alloc(audio_buf_size);  in f_audio_set_alt()
612 			if (IS_ERR(audio->copy_buf))  in f_audio_set_alt()
642 			struct f_audio_buf *copy_buf = audio->copy_buf;  in f_audio_set_alt()  local
643 			if (copy_buf) {  in f_audio_set_alt()
644 				list_add_tail(&copy_buf->list,  in f_audio_set_alt()