[Minor] Fix closing race in fuzzy storage

diff --git a/src/fuzzy_storage.c b/src/fuzzy_storage.c
index b847d78654185efe44dbe514cf662c57682a4b1b..e4679afe5c36a00d77adab056110cd9101d600aa 100644 (file)
--- a/src/fuzzy_storage.c
+++ b/src/fuzzy_storage.c
@@ -210,7 +210,9 @@ rspamd_fuzzy_process_updates_queue (struct rspamd_fuzzy_storage_ctx *ctx)
        gpointer ptr;
        guint nupdates = 0;
 
-       if (rspamd_fuzzy_backend_prepare_update (ctx->backend)) {
+       if (ctx->updates_pending &&
+                       g_queue_get_length (ctx->updates_pending) > 0 &&
+                       rspamd_fuzzy_backend_prepare_update (ctx->backend)) {
                cur = ctx->updates_pending->head;
                while (cur) {
                        io_cmd = cur->data;
@@ -254,7 +256,8 @@ rspamd_fuzzy_process_updates_queue (struct rspamd_fuzzy_storage_ctx *ctx)
                                        g_queue_get_length (ctx->updates_pending));
                }
        }
-       else {
+       else if (ctx->updates_pending &&
+                       g_queue_get_length (ctx->updates_pending) > 0) {
                msg_err ("cannot start transaction in fuzzy backend, "
                                "%ud updates are still pending",
                                g_queue_get_length (ctx->updates_pending));