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 partitionname[PATH_SIZE];
41 struct name_entry *name_loop;
47 list_for_each_entry(name_loop, &udev->symlink_list, node) {
48 snprintf(filename, sizeof(filename), "%s/%s", udev_root, name_loop->name);
49 filename[sizeof(filename)-1] = '\0';
51 if (stat(filename, &stats) != 0) {
52 dbg("symlink '%s' not found", filename);
55 if (udev->devt && stats.st_rdev != udev->devt) {
56 info("symlink '%s' points to a different device, skip removal", filename);
60 info("removing symlink '%s'", filename);
63 if (strchr(filename, '/'))
64 delete_path(filename);
67 snprintf(filename, sizeof(filename), "%s/%s", udev_root, udev->name);
68 filename[sizeof(filename)-1] = '\0';
70 if (stat(filename, &stats) != 0) {
71 dbg("device node '%s' not found", filename);
74 if (udev->devt && stats.st_rdev != udev->devt) {
75 info("device node '%s' points to a different device, skip removal", filename);
79 info("removing device node '%s'", filename);
80 retval = unlink_secure(filename);
84 /* export DEVNAME to the environment */
85 snprintf(udev->devname, sizeof(udev->devname), "%s/%s", udev_root, udev->name);
86 udev->devname[sizeof(udev->devname)-1] = '\0';
88 num = udev->partitions;
90 info("removing all_partitions '%s[1-%i]'", filename, num);
92 info("garbage from udev database, skip all_partitions removal");
95 for (i = 1; i <= num; i++) {
96 snprintf(partitionname, sizeof(partitionname), "%s%d", filename, i);
97 partitionname[sizeof(partitionname)-1] = '\0';
98 unlink_secure(partitionname);
102 if (strchr(udev->name, '/'))
103 delete_path(filename);
109 * look up the sysfs path in the database to get the node name to remove
110 * If we can't find it, use kernel name for lack of anything else to know to do
112 int udev_remove_device(struct udevice *udev)
114 if (udev->type != DEV_BLOCK && udev->type != DEV_CLASS)
117 if (udev_db_get_device(udev, udev->devpath) == 0) {
118 if (udev->ignore_remove) {
119 dbg("remove event for '%s' requested to be ignored by rule", udev->name);
122 dbg("remove name='%s'", udev->name);
123 udev_db_delete_device(udev);
125 dbg("'%s' not found in database, using kernel name '%s'", udev->devpath, udev->kernel_name);
126 strlcpy(udev->name, udev->kernel_name, sizeof(udev->name));
129 return delete_node(udev);