From: Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi>
Date: Fri, 20 Oct 2017 04:57:17 +0000 (+0300)
Subject: quota-maildir: Don't deref NULL pointer on list deinit
X-Git-Tag: 2.3.0.rc1~790
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bf20e0e1aa622d73df3ea763a14f5db38f40ea7b;p=thirdparty%2Fdovecot%2Fcore.git

quota-maildir: Don't deref NULL pointer on list deinit
---

diff --git a/src/plugins/quota/quota-maildir.c b/src/plugins/quota/quota-maildir.c
index b2fd96d38e..d8880db095 100644
--- a/src/plugins/quota/quota-maildir.c
+++ b/src/plugins/quota/quota-maildir.c
@@ -202,9 +202,9 @@ static int maildir_list_deinit(struct maildir_list_context *ctx,
 {
 	int ret = mailbox_list_iter_deinit(&ctx->iter);
 	if (ret < 0)
-		*error_r = t_strdup(
-			mailbox_list_get_last_internal_error(ctx->iter->list,
-							     NULL));
+		*error_r = t_strdup_printf(
+			"Listing mailboxes failed: %s",
+			mailbox_list_get_last_internal_error(ctx->list, NULL));
 
 	str_free(&ctx->path);
 	i_free(ctx);