4 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
5 * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation version 2 of the License.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 675 Mass Ave, Cambridge, MA 02139, USA.
33 static int delete_node(struct udevice *udev)
35 char filename[PATH_SIZE];
36 char partitionname[PATH_SIZE];
37 struct name_entry *name_loop;
43 if (!list_empty(&udev->symlink_list)) {
44 char symlinks[512] = "";
46 list_for_each_entry(name_loop, &udev->symlink_list, node) {
47 snprintf(filename, sizeof(filename), "%s/%s", udev_root, name_loop->name);
48 filename[sizeof(filename)-1] = '\0';
50 if (stat(filename, &stats) != 0) {
51 dbg("symlink '%s' not found", filename);
54 if (udev->devt && stats.st_rdev != udev->devt) {
55 info("symlink '%s' points to a different device, skip removal", filename);
59 info("removing symlink '%s'", filename);
62 if (strchr(filename, '/'))
63 delete_path(filename);
65 strlcat(symlinks, filename, sizeof(symlinks));
66 strlcat(symlinks, " ", sizeof(symlinks));
69 remove_trailing_chars(symlinks, ' ');
70 if (symlinks[0] != '\0')
71 setenv("DEVLINKS", symlinks, 1);
74 snprintf(filename, sizeof(filename), "%s/%s", udev_root, udev->name);
75 filename[sizeof(filename)-1] = '\0';
77 if (stat(filename, &stats) != 0) {
78 dbg("device node '%s' not found", filename);
81 if (udev->devt && stats.st_rdev != udev->devt) {
82 info("device node '%s' points to a different device, skip removal", filename);
86 info("removing device node '%s'", filename);
87 retval = unlink_secure(filename);
91 setenv("DEVNAME", filename, 1);
93 num = udev->partitions;
95 info("removing all_partitions '%s[1-%i]'", filename, num);
97 info("garbage from udev database, skip all_partitions removal");
100 for (i = 1; i <= num; i++) {
101 snprintf(partitionname, sizeof(partitionname), "%s%d", filename, i);
102 partitionname[sizeof(partitionname)-1] = '\0';
103 unlink_secure(partitionname);
107 if (strchr(udev->name, '/'))
108 delete_path(filename);
114 * look up the sysfs path in the database to get the node name to remove
115 * If we can't find it, use kernel name for lack of anything else to know to do
117 int udev_remove_device(struct udevice *udev)
119 if (major(udev->devt) == 0)
122 if (udev_db_get_device(udev, udev->dev->devpath) == 0) {
123 if (udev->ignore_remove) {
124 dbg("remove event for '%s' requested to be ignored by rule", udev->name);
127 dbg("remove name='%s'", udev->name);
128 udev_db_delete_device(udev);
130 dbg("'%s' not found in database, using kernel name '%s'", udev->dev->devpath, udev->dev->kernel_name);
131 strlcpy(udev->name, udev->dev->kernel_name, sizeof(udev->name));
134 return delete_node(udev);