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.
34 #include "udev_utils.h"
35 #include "udev_version.h"
40 static int delete_path(const char *path)
45 pos = strrchr(path, '/');
48 pos = strrchr(path, '/');
50 /* don't remove the last one */
51 if ((pos == path) || (pos == NULL))
59 if (errno == ENOTEMPTY)
61 dbg("rmdir(%s) failed with error '%s'",
62 path, strerror(errno));
65 dbg("removed '%s'", path);
70 static int delete_node(struct udevice *udev)
72 char filename[NAME_SIZE];
73 char partitionname[NAME_SIZE];
80 snprintf(filename, NAME_SIZE, "%s/%s", udev_root, udev->name);
81 filename[NAME_SIZE-1] = '\0';
83 info("removing device node '%s'", filename);
84 retval = unlink_secure(filename);
88 /* remove all_partitions nodes */
89 num = udev->partitions;
91 info("removing all_partitions '%s[1-%i]'", filename, num);
93 info("garbage from udev database, skip all_partitions removal");
96 for (i = 1; i <= num; i++) {
97 strfieldcpy(partitionname, filename);
98 strintcat(partitionname, i);
99 unlink_secure(partitionname);
103 /* remove subdirectories */
104 if (strchr(udev->name, '/'))
105 delete_path(filename);
107 foreach_strpart(udev->symlink, " ", pos, len) {
108 char linkname[NAME_SIZE];
110 strfieldcpymax(linkname, pos, len+1);
111 snprintf(filename, NAME_SIZE, "%s/%s", udev_root, linkname);
112 filename[NAME_SIZE-1] = '\0';
114 dbg("unlinking symlink '%s'", filename);
115 retval = unlink(filename);
119 dbg("unlink(%s) failed with error '%s'",
120 filename, strerror(errno));
123 if (strchr(udev->symlink, '/')) {
124 delete_path(filename);
132 * look up the sysfs path in the database to get the node name to remove
133 * If we can't find it, use kernel name for lack of anything else to know to do
135 int udev_remove_device(struct udevice *udev)
140 if (udev->type != 'b' && udev->type != 'c')
143 retval = udev_db_get_device(udev);
145 /* fall back to kernel name */
146 temp = strrchr(udev->devpath, '/');
149 strfieldcpy(udev->name, &temp[1]);
150 dbg("'%s' not found in database, falling back on default name", udev->name);
153 if (udev->ignore_remove) {
154 dbg("remove event for '%s' requested to be ignored by rule", udev->name);
158 dbg("remove name='%s'", udev->name);
159 udev_db_delete_device(udev);
161 /* use full path to the environment */
162 snprintf(udev->devname, NAME_SIZE, "%s/%s", udev_root, udev->name);
164 return delete_node(udev);