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.
33 #include "udev_version.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))
57 if (errno == ENOTEMPTY)
59 dbg("rmdir(%s) failed with error '%s'",
60 path, strerror(errno));
63 dbg("removed '%s'", path);
68 static int delete_node(struct udevice *dev)
70 char filename[NAME_SIZE];
71 char linkname[NAME_SIZE];
72 char partitionname[NAME_SIZE];
78 strfieldcpy(filename, udev_root);
79 strfieldcat(filename, dev->name);
81 info("removing device node '%s'", filename);
82 retval = unlink(filename);
86 dbg("unlink(%s) failed with error '%s'",
87 filename, strerror(errno));
91 /* remove partition nodes */
92 if (dev->partitions > 0) {
93 info("removing partitions '%s[1-%i]'", filename, dev->partitions);
94 for (i = 1; i <= dev->partitions; i++) {
95 strfieldcpy(partitionname, filename);
96 strintcat(partitionname, i);
97 unlink(partitionname);
101 /* remove subdirectories */
102 if (strchr(dev->name, '/'))
103 delete_path(filename);
105 foreach_strpart(dev->symlink, " ", pos, len) {
106 strfieldcpymax(linkname, pos, len+1);
107 strfieldcpy(filename, udev_root);
108 strfieldcat(filename, linkname);
110 dbg("unlinking symlink '%s'", filename);
111 retval = unlink(filename);
115 dbg("unlink(%s) failed with error '%s'",
116 filename, strerror(errno));
119 if (strchr(dev->symlink, '/')) {
120 delete_path(filename);
128 * Look up the sysfs path in the database to see if we have named this device
129 * something different from the kernel name. If we have, us it. If not, use
130 * the default kernel name for lack of anything else to know to do.
132 int udev_remove_device(char *path, char *subsystem)
138 memset(&dev, 0x00, sizeof(dev));
140 retval = udevdb_get_dev(path, &dev);
142 dbg("'%s' not found in database, falling back on default name", path);
143 temp = strrchr(path, '/');
146 strfieldcpy(dev.name, &temp[1]);
148 dbg("name='%s'", dev.name);
150 dev.type = get_device_type(path, subsystem);
151 dev_d_send(&dev, subsystem, path);
152 udevdb_delete_dev(path);
154 if (dev.type == 'b' || dev.type == 'c')
155 retval = delete_node(&dev);
156 else if (dev.type == 'n')