fix compilation with --enable-debug

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

diff --git a/libudev/libudev-device-private.c b/libudev/libudev-device-private.c
index 7e5fcbc29375a1403c13e2cd893a21b01530afbf..8c8ac244be99e57006ccc0c58295d670cf80c612 100644 (file)
--- a/libudev/libudev-device-private.c
+++ b/libudev/libudev-device-private.c
@@ -51,7 +51,7 @@ int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old,
        struct udev_list_entry *list_entry;
        bool found;
 
        struct udev_list_entry *list_entry;
        bool found;
 

-       if (add) {
+       if (add && dev_old != NULL) {

                /* delete possible left-over tags */
                udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev_old)) {
                        const char *tag_old = udev_list_entry_get_name(list_entry);
                /* delete possible left-over tags */
                udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev_old)) {
                        const char *tag_old = udev_list_entry_get_name(list_entry);