udevd: always create /dev/{char,block}/$major:$minor

[elogind.git] / udev / udev-node.c

diff --git a/udev/udev-node.c b/udev/udev-node.c
index 92634427f95ecceca96e9f27f4422164cf7b3a9c..70488c420b3368974c69f7045791c70022cfb247 100644 (file)
--- a/udev/udev-node.c
+++ b/udev/udev-node.c
@@ -369,6 +369,7 @@ void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev
 int udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid)
 {
        struct udev *udev = udev_device_get_udev(dev);
+       char filename[UTIL_PATH_SIZE];
        struct udev_list_entry *list_entry;
        int err = 0;
 
@@ -382,6 +383,13 @@ int udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid)
                goto exit;
        }
 
+       /* always add /dev/{block,char}/$major:$minor */
+       snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
+                udev_get_dev_path(udev),
+                strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
+                major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
+       node_symlink(udev, udev_device_get_devnode(dev), filename);
+
        /* create/update symlinks, add symlinks to name index */
        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) {
                if (udev_list_entry_get_flags(list_entry))
@@ -401,6 +409,7 @@ int udev_node_remove(struct udev_device *dev)
        const char *devnode;
        struct stat stats;
        struct udev_device *dev_check;
+       char filename[UTIL_PATH_SIZE];
        int err = 0;
 
        /* remove/update symlinks, remove symlinks from name index */
@@ -434,6 +443,13 @@ int udev_node_remove(struct udev_device *dev)
        err = util_unlink_secure(udev, devnode);
        if (err == 0)
                util_delete_path(udev, devnode);
+
+       /* remove /dev/{block,char}/$major:$minor */
+       snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
+                udev_get_dev_path(udev),
+                strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
+                major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
+       unlink(filename);
 out:
        return err;
 }