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.
31 #include "udev_libc_wrapper.h"
33 #include "udev_utils.h"
34 #include "udev_version.h"
37 static int delete_node(struct udevice *udev)
39 char filename[PATH_SIZE];
40 char devname[PATH_SIZE];
41 char partitionname[PATH_SIZE];
42 struct name_entry *name_loop;
48 list_for_each_entry(name_loop, &udev->symlink_list, node) {
49 snprintf(filename, sizeof(filename), "%s/%s", udev_root, name_loop->name);
50 filename[sizeof(filename)-1] = '\0';
52 if (stat(filename, &stats) != 0) {
53 dbg("symlink '%s' not found", filename);
56 if (udev->devt && stats.st_rdev != udev->devt) {
57 info("symlink '%s' points to a different device, skip removal", filename);
61 info("removing symlink '%s'", filename);
64 if (strchr(filename, '/'))
65 delete_path(filename);
68 snprintf(filename, sizeof(filename), "%s/%s", udev_root, udev->name);
69 filename[sizeof(filename)-1] = '\0';
71 if (stat(filename, &stats) != 0) {
72 dbg("device node '%s' not found", filename);
75 if (udev->devt && stats.st_rdev != udev->devt) {
76 info("device node '%s' points to a different device, skip removal", filename);
80 info("removing device node '%s'", filename);
81 retval = unlink_secure(filename);
85 snprintf(devname, sizeof(devname), "%s/%s", udev_root, udev->name);
86 devname[sizeof(devname)-1] = '\0';
87 setenv("DEVNAME", devname, 1);
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 snprintf(partitionname, sizeof(partitionname), "%s%d", filename, i);
98 partitionname[sizeof(partitionname)-1] = '\0';
99 unlink_secure(partitionname);
103 if (strchr(udev->name, '/'))
104 delete_path(filename);
110 * look up the sysfs path in the database to get the node name to remove
111 * If we can't find it, use kernel name for lack of anything else to know to do
113 int udev_remove_device(struct udevice *udev)
115 if (udev->type != DEV_BLOCK && udev->type != DEV_CLASS)
118 if (udev_db_get_device(udev, udev->devpath) == 0) {
119 if (udev->ignore_remove) {
120 dbg("remove event for '%s' requested to be ignored by rule", udev->name);
123 dbg("remove name='%s'", udev->name);
124 udev_db_delete_device(udev);
126 dbg("'%s' not found in database, using kernel name '%s'", udev->devpath, udev->kernel_name);
127 strlcpy(udev->name, udev->kernel_name, sizeof(udev->name));
130 return delete_node(udev);