6 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation version 2 of the License.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 675 Mass Ave, Cambridge, MA 02139, USA.
32 #include "udev_version.h"
33 #include "udev_dbus.h"
38 static int delete_path(char *path)
43 pos = strrchr(path, '/');
46 pos = strrchr(path, '/');
48 /* don't remove the last one */
49 if ((pos == path) || (pos == NULL))
55 if (errno == ENOTEMPTY)
57 dbg("rmdir(%s) failed with error '%s'",
58 path, strerror(errno));
61 dbg("removed '%s'", path);
66 static int delete_node(struct udevice *dev)
69 char partitionname[255];
75 strfieldcpy(filename, udev_root);
76 strfieldcat(filename, dev->name);
78 info("removing device node '%s'", filename);
79 retval = unlink(filename);
81 dbg("unlink(%s) failed with error '%s'",
82 filename, strerror(errno));
86 /* remove partition nodes */
87 if (dev->partitions > 0) {
88 info("removing partitions '%s[1-%i]'", filename, dev->partitions);
89 for (i = 1; i <= dev->partitions; i++) {
90 strfieldcpy(partitionname, filename);
91 strintcat(partitionname, i);
92 unlink(partitionname);
96 /* remove subdirectories */
97 if (strchr(dev->name, '/'))
98 delete_path(filename);
100 if (dev->symlink[0] != '\0') {
101 symlinks = dev->symlink;
103 linkname = strsep(&symlinks, " ");
104 if (linkname == NULL)
107 strfieldcpy(filename, udev_root);
108 strfieldcat(filename, linkname);
110 dbg("unlinking symlink '%s'", filename);
111 retval = unlink(filename);
113 dbg("unlink(%s) failed with error '%s'",
114 filename, strerror(errno));
117 if (strchr(dev->symlink, '/')) {
118 delete_path(filename);
127 * Look up the sysfs path in the database to see if we have named this device
128 * something different from the kernel name. If we have, us it. If not, use
129 * the default kernel name for lack of anything else to know to do.
131 int udev_remove_device(char *path, char *subsystem)
137 memset(&dev, 0, sizeof(dev));
139 retval = udevdb_get_dev(path, &dev);
141 dbg("'%s' not found in database, falling back on default name", path);
142 temp = strrchr(path, '/');
145 strfieldcpy(dev.name, &temp[1]);
148 dbg("name is '%s'", dev.name);
149 udevdb_delete_dev(path);
151 sysbus_send_remove(dev.name, path);
153 retval = delete_node(&dev);