maildir: Fix crash when closing a mailbox that isn't open

This could have happened at least with virtual plugin.

diff --git a/src/lib-storage/index/maildir/maildir-storage.c b/src/lib-storage/index/maildir/maildir-storage.c
index 1321a4936ce56b43547b728fab57b7147215b0b1..f9c5a80cdc07429fba89ddd0a5c076ba3daafd67 100644 (file)
--- a/src/lib-storage/index/maildir/maildir-storage.c
+++ b/src/lib-storage/index/maildir/maildir-storage.c
@@ -582,7 +582,8 @@ static void maildir_mailbox_close(struct mailbox *box)
                mail_index_view_close(&mbox->flags_view);
        if (mbox->keywords != NULL)
                maildir_keywords_deinit(&mbox->keywords);
-       maildir_uidlist_deinit(&mbox->uidlist);
+       if (mbox->uidlist != NULL)
+               maildir_uidlist_deinit(&mbox->uidlist);
        index_storage_mailbox_close(box);
 }