X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=libudev%2Flibudev-device-private.c;h=3afa82e04f40b3869caf0afbb2a82daa93c71267;hb=95ce1875d79162324a5eb67f6a0ffbbdd5d29921;hp=406d8704f54e465f2d761cdce06e5f54d1a2b76f;hpb=14996e80d4b002dbbef9721b936fe29155375fb1;p=elogind.git

diff --git a/libudev/libudev-device-private.c b/libudev/libudev-device-private.c
index 406d8704f..3afa82e04 100644
--- a/libudev/libudev-device-private.c
+++ b/libudev/libudev-device-private.c
@@ -78,6 +78,7 @@ int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old,
 
 static bool device_has_info(struct udev_device *udev_device)
 {
+	struct udev *udev = udev_device_get_udev(udev_device);
 	struct udev_list_entry *list_entry;
 
 	if (udev_device_get_devlinks_list_entry(udev_device) != NULL)
@@ -89,9 +90,12 @@ static bool device_has_info(struct udev_device *udev_device)
 			return true;
 	if (udev_device_get_tags_list_entry(udev_device) != NULL)
 		return true;
-	if (udev_device_get_knodename(udev_device) != NULL)
-		if (strcmp(udev_device_get_devnode(udev_device), udev_device_get_knodename(udev_device)) != 0)
+	if (udev_device_get_devnode(udev_device) != NULL && udev_device_get_knodename(udev_device) != NULL) {
+		size_t devlen = strlen(udev_get_dev_path(udev))+1;
+
+		if (strcmp(&udev_device_get_devnode(udev_device)[devlen], udev_device_get_knodename(udev_device)) != 0)
 			return true;
+	}
 	if (udev_device_get_watch_handle(udev_device) >= 0)
 		return true;
 	return false;
@@ -114,7 +118,9 @@ int udev_device_update_db(struct udev_device *udev_device)
 	util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db/", id, NULL);
 
 	/* do not store anything for otherwise empty devices */
-	if (!has_info && udev_device_get_devnode(udev_device) == NULL) {
+	if (!has_info &&
+	    major(udev_device_get_devnum(udev_device)) == 0 &&
+	    udev_device_get_ifindex(udev_device) == 0) {
 		unlink(filename);
 		return 0;
 	}
@@ -141,6 +147,8 @@ int udev_device_update_db(struct udev_device *udev_device)
 			fprintf(f, "L:%i\n", udev_device_get_devlink_priority(udev_device));
 		if (udev_device_get_watch_handle(udev_device) >= 0)
 			fprintf(f, "W:%i\n", udev_device_get_watch_handle(udev_device));
+		if (udev_device_get_usec_initialized(udev_device) > 0)
+			fprintf(f, "I:%llu\n", udev_device_get_usec_initialized(udev_device));
 		udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
 			if (!udev_list_entry_get_flags(list_entry))
 				continue;