imapc: Added missing error handling to subscriptions list refreshing.

diff --git a/src/lib-storage/index/imapc/imapc-list.c b/src/lib-storage/index/imapc/imapc-list.c
index 9e38b5c940f51e475c2dd82655a9d9fa80aa1737..4c25f157c497cb0360c065380b294cc77c600b5a 100644 (file)
--- a/src/lib-storage/index/imapc/imapc-list.c
+++ b/src/lib-storage/index/imapc/imapc-list.c
@@ -791,6 +791,9 @@ imapc_list_subscriptions_refresh(struct mailbox_list *_src_list,
        imapc_command_sendf(cmd, "LSUB \"\" %s", pattern);
        imapc_simple_run(&ctx);
 
+       if (ctx.ret < 0)
+               return -1;
+
        /* replace subscriptions tree in destination */
        if (dest_list->subscriptions != NULL)
                mailbox_tree_deinit(&dest_list->subscriptions);