251 	struct f_audio_buf *copy_buf;  in f_audio_buffer_alloc()  local
253 	copy_buf = kzalloc(sizeof *copy_buf, GFP_ATOMIC);  in f_audio_buffer_alloc()
254 	if (!copy_buf)  in f_audio_buffer_alloc()
257 	copy_buf->buf = kzalloc(buf_size, GFP_ATOMIC);  in f_audio_buffer_alloc()
258 	if (!copy_buf->buf) {  in f_audio_buffer_alloc()
259 		kfree(copy_buf);  in f_audio_buffer_alloc()
263 	return copy_buf;  in f_audio_buffer_alloc()
280 	struct f_audio_buf *copy_buf;  member
321 	struct f_audio_buf *copy_buf = audio->copy_buf;  in f_audio_out_ep_complete()  local
330 	if (!copy_buf)  in f_audio_out_ep_complete()
334 	if (audio_buf_size - copy_buf->actual < req->actual) {  in f_audio_out_ep_complete()
335 		list_add_tail(&copy_buf->list, &audio->play_queue);  in f_audio_out_ep_complete()
337 		copy_buf = f_audio_buffer_alloc(audio_buf_size);  in f_audio_out_ep_complete()
338 		if (IS_ERR(copy_buf))  in f_audio_out_ep_complete()
342 	memcpy(copy_buf->buf + copy_buf->actual, req->buf, req->actual);  in f_audio_out_ep_complete()
343 	copy_buf->actual += req->actual;  in f_audio_out_ep_complete()
344 	audio->copy_buf = copy_buf;  in f_audio_out_ep_complete()
589 			audio->copy_buf = f_audio_buffer_alloc(audio_buf_size);  in f_audio_set_alt()
590 			if (IS_ERR(audio->copy_buf))  in f_audio_set_alt()
620 			struct f_audio_buf *copy_buf = audio->copy_buf;  in f_audio_set_alt()  local
621 			if (copy_buf) {  in f_audio_set_alt()
622 				list_add_tail(&copy_buf->list,  in f_audio_set_alt()