Lines Matching refs:NULL
122 devdirent_t * dev_root = NULL; /* root of backing tree */
157 error = dev_add_entry("root", NULL, DEV_DIR, NULL, NULL, NULL, &dev_root);
184 devfs_mount(devfs_hidden_mount,"dummy",NULL,NULL,NULL);
236 return NULL;
254 devnode_t * dnp = NULL;
262 if (!dirnode) /* dirnode == NULL means start at root */
279 *dn_pp = NULL;
313 DEV_DIR, NULL, NULL, NULL, &dirent_p);
333 * If we're creating a root node, then dirname is NULL
344 devdirent_t * dirent_p = NULL;
346 if(dirnode != NULL ) {
354 * slightly misleading in the case of NULL
371 if(dirnode && ( dnp->dn_dvm == NULL)) {
402 * A NULL dirnode indicates a root node, so point to ourself.
439 dirent_p->de_next = *(dirent_p->de_prevp); /* should be NULL */
473 devnode_t * dnp = NULL;
489 if (typeinfo == NULL)
514 dnp->dn_linklist = NULL;
515 dnp->dn_vn = NULL;
559 dnp->dn_typeinfo.Dir.parent = NULL;
561 dnp->dn_typeinfo.Dir.myname = NULL;
648 if (dnp->dn_vn == NULL) {
699 NULL, dnp, adnp->dn_dvm,
783 if ((error = dev_dup_entry(NULL, dev_root, &new, devfs_mp_p)))
806 devfs_mp_p->plane_root = NULL;
836 NULL, dnp,
860 newback, &newfront, NULL)) != 0)
904 dnp->dn_linklist = NULL;
986 *vn_pp = NULL;
1067 if (dnp->dn_clone != NULL) {
1091 if (dnp->dn_clone == NULL)
1100 if ((dnp->dn_clone != NULL) && (dnp->dn_vn != NULLVP) )
1107 if (dnp->dn_clone == NULL) {
1170 if ((error = dev_add_name(name ,parent ,NULL, dnp, nm_pp)) != 0)
1195 * A handle to a device node if successful, NULL otherwise.
1202 devdirent_t * new_dev = NULL;
1227 name = NULL;
1246 if (dev_finddir(path, NULL, DEVFS_CREATE, &dnp) == 0) {
1250 &typeinfo, NULL, NULL, &new_dev) == 0) {
1278 * A handle to a device node if successful, NULL otherwise.
1284 devdirent_t * new_dev = NULL;
1316 name = NULL;
1335 if (dev_finddir(path, NULL, DEVFS_CREATE, &dnp) == 0) {
1339 &typeinfo, NULL, NULL, &new_dev) == 0) {
1343 new_dev->de_dnp->dn_clone = NULL;
1369 devdirent_t * new_dev = NULL;
1389 p = NULL;
1403 if (dev_finddir(buf, NULL, DEVFS_CREATE, &dirnode)
1404 || dev_add_name(p, dirnode, NULL, orig->de_dnp, &new_dev))
1407 if (dev_finddir("", NULL, DEVFS_CREATE, &dirnode)
1408 || dev_add_name(buf, dirnode, NULL, orig->de_dnp, &new_dev))
1416 return ((new_dev != NULL) ? 0 : -1);