libudev: monitor - handle kernel supplied DEVNAME properly

[elogind.git] / libudev / libudev-device.c

diff --git a/libudev/libudev-device.c b/libudev/libudev-device.c
index 669c51e35bb7617f24bfb153d0b4061003603dda..cbbddaeff044c6df548bdb1c42cf61f113a69126 100644 (file)
--- a/libudev/libudev-device.c
+++ b/libudev/libudev-device.c
@@ -961,7 +961,7 @@ unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device)
  * @udev_device: udev device
  * @sysattr: attribute name
  *
- * The retrieved value is cached in the device. Repeated reads will return the same
+ * The retrieved value is cached in the device. Repeated calls will return the same
  * value and not open the attribute again.
  *
  * Returns: the content of a sys attribute file, or #NULL if there is no sys attribute value.
@@ -1211,14 +1211,20 @@ static int update_envp_monitor_buf(struct udev_device *udev_device)
        s = udev_device->monitor_buf;
        l = MONITOR_BUF_SIZE;
        udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
+               const char *key;
+
+               key = udev_list_entry_get_name(list_entry);
+               /* skip private variables */
+               if (key[0] == '.')
+                       continue;
+
                /* add string to envp array */
                udev_device->envp[i++] = s;
                if (i+1 >= ENVP_SIZE)
                        return -EINVAL;
 
                /* add property string to monitor buffer */
-               l = util_strpcpyl(&s, l, udev_list_entry_get_name(list_entry), "=",
-                                 udev_list_entry_get_value(list_entry), NULL);
+               l = util_strpcpyl(&s, l, key, "=", udev_list_entry_get_value(list_entry), NULL);
                if (l == 0)
                        return -EINVAL;
                s++;
@@ -1293,6 +1299,7 @@ int udev_device_set_knodename(struct udev_device *udev_device, const char *knode
        udev_device->knodename = strdup(knodename);
        if (udev_device->knodename == NULL)
                return -ENOMEM;
+       udev_device_add_property(udev_device, "DEVNAME", udev_device->knodename);
        return 0;
 }