lib-storage: Added assert.

diff --git a/src/lib-storage/mail-namespace.c b/src/lib-storage/mail-namespace.c
index 769847c2f1851f8c5cb6ee8c9b0437850c471723..c5c233523f5db1da672925d68b76fb6b1dfb251e 100644 (file)
--- a/src/lib-storage/mail-namespace.c
+++ b/src/lib-storage/mail-namespace.c
@@ -441,6 +441,8 @@ void mail_namespace_destroy(struct mail_namespace *ns)
 {
        struct mail_namespace **nsp;
 
+       i_assert(!ns->destroyed);
+
        /* remove from user's namespaces list */
        for (nsp = &ns->user->namespaces; *nsp != NULL; nsp = &(*nsp)->next) {
                if (*nsp == ns) {