fs/devfs/devfs_vnops.c

136 	int error;
143 		error = 0;
146 		error = ENOENT;
147 	return (error);
156 	int error;
171 		error = 0;
175 		error = EBUSY;
177 	return (error);
186 	int error;
189 	error = 0;
192 		error = cb(p->cdpd_data, arg);
193 		if (error != 0)
197 	return (error);
407 	int i, error;
411 	error = devfs_populate_vp(vp);
412 	if (error != 0)
413 		return (error);
416 		error = ENOENT;
430 		error = ENOMEM;
437 		error = ENOENT;
451 		error = ENOENT;
455 	return (error);
532 	int error;
582 	error = getnewvnode("devfs", mp, &devfs_vnodeops, &vp);
583 	if (error != 0) {
586 		return (error);
619 	error = insmntque1(vp, mp);
620 	if (error != 0) {
628 		return (error);
650 	int error;
656 	error = vaccess(vp->v_type, de->de_mode, de->de_uid, de->de_gid,
658 	if (error == 0)
660 	if (error != EACCES)
661 		return (error);
667 		return (error);
670 		error = 0;
672 	return (error);
687 	int dflags, error, ref, vp_locked;
766 	error = dsw->d_close(dev, ap->a_fflag | dflags, S_IFCHR, td);
770 	return (error);
776 	int error;
785 	error = vnops.fo_close(fp, td);
794 	return (error);
806 	int error;
808 	error = devfs_populate_vp(vp);
809 	if (error != 0)
810 		return (error);
869 	return (error);
877 	int error;
881 	error = vnops.fo_ioctl(fp, com, data, cred, td);
883 	return (error);
918 	int error, ref, i;
935 		error = 0;
945 			error = EINVAL;
947 			error = copyout(p, fiodgname_buf_get_ptr(fgn, com), i);
950 		error = dsw->d_ioctl(dev, com, ap->a_data, ap->a_fflag, td);
954 	if (error == ENOIOCTL)
955 		error = ENOTTY;
957 	if (error == 0 && com == TIOCSCTTY) {
985 	return (error);
994 	int error, ref;
1000 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
1001 	if (error)
1002 		return (error);
1003 	error = dsw->d_kqfilter(dev, kn);
1006 	return (error);
1015 	int error;
1024 	error = prison_check(td->td_ucred, dcr);
1025 	if (error == 0)
1032 		return (error);
1035 		error = 0;
1037 	return (error);
1051 	int error, flags, nameiop, dvplocked;
1075 	error = vn_dir_check_exec(dvp, cnp);
1076 	if (error != 0)
1077 		return (error);
1095 		error = devfs_allocv(de, mp, cnp->cn_lkflags & LK_TYPE_MASK,
1099 		return (error);
1169 		error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1170 		if (error)
1171 			return (error);
1178 	error = devfs_allocv(de, mp, cnp->cn_lkflags & LK_TYPE_MASK, vpp);
1180 	return (error);
1208 	int error;
1223 	error = ENOENT;
1241 	error = devfs_allocv(de, dvp->v_mount, LK_EXCLUSIVE, vpp);
1242 	return (error);
1245 	return (error);
1256 	int error, ref, vlocked;
1291 		error = dsw->d_fdopen(dev, ap->a_mode, td, fp);
1293 		error = dsw->d_open(dev, ap->a_mode, S_IFCHR, td);
1294 	/* Clean up any cdevpriv upon error. */
1295 	if (error != 0)
1300 	if (error != 0 && vp->v_type == VCHR)
1304 	if (error != 0) {
1305 		if (error == ERESTART)
1306 			error = EINTR;
1307 		return (error);
1314 		return (error);
1318 	return (error);
1382 	int error, ref;
1386 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
1387 	if (error != 0) {
1388 		error = vnops.fo_poll(fp, events, cred, td);
1389 		return (error);
1391 	error = dsw->d_poll(dev, events, td);
1394 	return(error);
1413 	int ioflag, error, ref;
1421 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
1422 	if (error != 0) {
1423 		error = vnops.fo_read(fp, uio, cred, flags, td);
1424 		return (error);
1432 	error = dsw->d_read(dev, uio, ioflag);
1433 	if (uio->uio_resid != resid || (error == 0 && resid != 0))
1439 	return (error);
1445 	int error;
1482 	error = 0;
1503 			error = vfs_read_dirent(ap, dp, off);
1504 			if (error)
1519 	return (error);
1703 	int error;
1721 	error = devfs_rules_ioctl(dmp, ap->a_command, ap->a_data, ap->a_td);
1723 	return (error);
1742 	int c, error;
1761 	error = devfs_populate_vp(vp);
1762 	if (error != 0)
1763 		return (error);
1781 			error = priv_check(td, PRIV_VFS_CHOWN);
1782 			if (error != 0)
1792 			error = priv_check(td, PRIV_VFS_ADMIN);
1793 			if (error != 0)
1801 		error = vn_utimes_perm(vp, vap, ap->a_cred, td);
1802 		if (error != 0)
1828 	return (error);
1858 	int i, error;
1863 	error = priv_check(curthread, PRIV_DEVFS_SYMLINK);
1864 	if (error)
1865 		return(error);
1919 	int error, ioflag, ref;
1927 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
1928 	if (error != 0) {
1929 		error = vnops.fo_write(fp, uio, cred, flags, td);
1930 		return (error);
1940 	error = dsw->d_write(dev, uio, ioflag);
1941 	if (uio->uio_resid != resid || (error == 0 && resid != 0)) {
1949 	return (error);
1964 	int error, ref;
2006 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
2007 	if (error != 0)
2008 		return (error);
2010 	error = vm_mmap_cdev(td, size, prot, &maxprot, &flags, dev, dsw, &foff,
2014 	if (error != 0)
2015 		return (error);
2017 	error = vm_mmap_object(map, addr, size, prot, maxprot, flags, object,
2019 	if (error != 0)
2021 	return (error);