gadget/function/u_uac1_legacy.c

211 	snd->filp = filp_open(fn_cntl, O_RDWR, 0);
212 	if (IS_ERR(snd->filp)) {
213 		int ret = PTR_ERR(snd->filp);
216 		snd->filp = NULL;
223 	snd->filp = filp_open(fn_play, O_WRONLY, 0);
224 	if (IS_ERR(snd->filp)) {
225 		int ret = PTR_ERR(snd->filp);
228 		snd->filp = NULL;
231 	pcm_file = snd->filp->private_data;
238 	snd->filp = filp_open(fn_cap, O_RDONLY, 0);
239 	if (IS_ERR(snd->filp)) {
243 		snd->filp = NULL;
245 		pcm_file = snd->filp->private_data;
262 	if (snd->filp)
263 		filp_close(snd->filp, NULL);
267 	if (snd->filp)
268 		filp_close(snd->filp, NULL);
272 	if (snd->filp)
273 		filp_close(snd->filp, NULL);