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.
32 #include "udev_version.h"
35 #include "libsysfs/libsysfs.h"
39 * Look up the sysfs path in the database to see if we have named this device
40 * something different from the kernel name. If we have, us it. If not, use
41 * the default kernel name for lack of anything else to know to do.
43 static char *get_name(char *path, int major, int minor)
45 static char name[100];
49 dev = udevdb_get_dev(path);
51 strcpy(name, dev->name);
55 dbg("%s not found in database, falling back on default name", path);
56 temp = strrchr(path, '/');
59 strncpy(name, &temp[1], sizeof(name));
62 dbg("name is %s", name);
67 * We also want to clean up any symlinks that were created in create_node()
69 static int delete_node(char *name)
74 strncpy(filename, udev_root, sizeof(filename));
75 strncat(filename, name, sizeof(filename));
77 dbg("unlinking %s", filename);
78 retval = unlink(filename);
80 dbg("unlink(%s) failed with error '%s'",
81 filename, strerror(errno));
85 /* remove subdirectories */
86 if (strchr(name, '/')) {
89 pos = strrchr(filename, '/');
92 pos = strrchr(filename, '/');
94 /* don't remove the last one */
95 if ((pos == filename) || (pos == NULL))
99 retval = rmdir(filename);
101 if (errno == ENOTEMPTY)
103 dbg("rmdir(%s) failed with error '%s'",
104 filename, strerror(errno));
107 dbg("removed %s", filename);
113 int udev_remove_device(char *device, char *subsystem)
118 name = get_name(device, 0, 0);
120 dbg ("get_name failed");
125 udevdb_delete_dev(device);
127 return delete_node(name);