Merge branch 'o_dsync' of https://github.com/anarazel/fio
[fio.git] / engines / e4defrag.c
index 8f71d02caa947867339d980e0f2722c9a5751b8d..0a0004d0477fc795dd415d417a6c935f4cfb3131 100644 (file)
@@ -72,7 +72,7 @@ static int fio_e4defrag_init(struct thread_data *td)
        struct stat stub;
        char donor_name[PATH_MAX];
 
-       if (!strlen(o->donor_name)) {
+       if (!o->donor_name || !strlen(o->donor_name)) {
                log_err("'donorname' options required\n");
                return 1;
        }