Protect against possible NULL pointer

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/uid_db.c b/uid_db.c
index 61da7322..d4009d39 100644
--- a/uid_db.c
+++ b/uid_db.c
@@ -458,6 +458,8 @@ struct uid_db_record *last_uid_in_db(struct uid_db *db, char const *id)
 /**  destruction */
 static void free_uid_list(struct uid_db_record *rec)
 {
+    if (!rec) return NULL;
+
     /*
       Free the list of uid_db_records starting with
       the record pointed to by rec.