1254 static int uvc_v4l2_get_xu_mapping(struct uvc_xu_control_mapping *kp,  in uvc_v4l2_get_xu_mapping()  argument
1262 	    __copy_from_user(kp, up, offsetof(typeof(*up), menu_info)) ||  in uvc_v4l2_get_xu_mapping()
1263 	    __get_user(kp->menu_count, &up->menu_count))  in uvc_v4l2_get_xu_mapping()
1266 	memset(kp->reserved, 0, sizeof(kp->reserved));  in uvc_v4l2_get_xu_mapping()
1268 	if (kp->menu_count == 0) {  in uvc_v4l2_get_xu_mapping()
1269 		kp->menu_info = NULL;  in uvc_v4l2_get_xu_mapping()
1276 	if (!access_ok(VERIFY_READ, umenus, kp->menu_count * sizeof(*umenus)))  in uvc_v4l2_get_xu_mapping()
1279 	kmenus = compat_alloc_user_space(kp->menu_count * sizeof(*kmenus));  in uvc_v4l2_get_xu_mapping()
1282 	kp->menu_info = kmenus;  in uvc_v4l2_get_xu_mapping()
1284 	if (copy_in_user(kmenus, umenus, kp->menu_count * sizeof(*umenus)))  in uvc_v4l2_get_xu_mapping()
1290 static int uvc_v4l2_put_xu_mapping(const struct uvc_xu_control_mapping *kp,  in uvc_v4l2_put_xu_mapping()  argument
1294 	struct uvc_menu_info __user *kmenus = kp->menu_info;  in uvc_v4l2_put_xu_mapping()
1298 	    __copy_to_user(up, kp, offsetof(typeof(*up), menu_info)) ||  in uvc_v4l2_put_xu_mapping()
1299 	    __put_user(kp->menu_count, &up->menu_count))  in uvc_v4l2_put_xu_mapping()
1305 	if (kp->menu_count == 0)  in uvc_v4l2_put_xu_mapping()
1312 	if (copy_in_user(umenus, kmenus, kp->menu_count * sizeof(*umenus)))  in uvc_v4l2_put_xu_mapping()
1326 static int uvc_v4l2_get_xu_query(struct uvc_xu_control_query *kp,  in uvc_v4l2_get_xu_query()  argument
1334 	    __copy_from_user(kp, up, offsetof(typeof(*up), data)))  in uvc_v4l2_get_xu_query()
1337 	if (kp->size == 0) {  in uvc_v4l2_get_xu_query()
1338 		kp->data = NULL;  in uvc_v4l2_get_xu_query()
1345 	if (!access_ok(VERIFY_READ, udata, kp->size))  in uvc_v4l2_get_xu_query()
1348 	kdata = compat_alloc_user_space(kp->size);  in uvc_v4l2_get_xu_query()
1351 	kp->data = kdata;  in uvc_v4l2_get_xu_query()
1353 	if (copy_in_user(kdata, udata, kp->size))  in uvc_v4l2_get_xu_query()
1359 static int uvc_v4l2_put_xu_query(const struct uvc_xu_control_query *kp,  in uvc_v4l2_put_xu_query()  argument
1363 	u8 __user *kdata = kp->data;  in uvc_v4l2_put_xu_query()
1367 	    __copy_to_user(up, kp, offsetof(typeof(*up), data)))  in uvc_v4l2_put_xu_query()
1370 	if (kp->size == 0)  in uvc_v4l2_put_xu_query()
1376 	if (!access_ok(VERIFY_READ, udata, kp->size))  in uvc_v4l2_put_xu_query()
1379 	if (copy_in_user(udata, kdata, kp->size))  in uvc_v4l2_put_xu_query()