[mod_memcached]: less log spam, fix another endless loop

src/common/memcached.c

@@ -211,6 +211,8 @@ static void free_request(liMemcachedCon *con, int_request *req) {
 static void cancel_all_requests(liMemcachedCon *con) {
 	int_request *req;
 	GError *err1 = NULL, *err = NULL;
+	gboolean first = TRUE;
+
 	if (con->err) {
 		err1 = g_error_copy(con->err);
 	} else {
@@ -224,8 +226,15 @@ static void cancel_all_requests(liMemcachedCon *con) {
 
 		if (req->req.callback) req->req.callback(&req->req, LI_MEMCACHED_RESULT_ERROR, NULL, &err);
 
-		if (err1) err1->code = LI_MEMCACHED_DISABLED; /* "silent" fail */
-		if (con->err) con->err->code = LI_MEMCACHED_DISABLED; /* "silent" fail */
+		free_request(con, req);
+
+		if (first) {
+			if (err) err->code = LI_MEMCACHED_DISABLED; /* "silent" fail */
+			if (err1) err1->code = LI_MEMCACHED_DISABLED; /* "silent" fail */
+			if (con->err) con->err->code = LI_MEMCACHED_DISABLED; /* "silent" fail */
+
+			first = FALSE;
+		}
 	}
 
 	if (NULL != err) g_clear_error(&err);

src/modules/mod_memcached.c

@@ -298,7 +298,9 @@ static void memcache_callback(liMemcachedRequest *request, liMemcachedResult res
 		break;
 	case LI_MEMCACHED_RESULT_ERROR:
 		if (err && *err) {
-			VR_ERROR(vr, "memcached error: %s", (*err)->message);
+			if (LI_MEMCACHED_DISABLED != (*err)->code) {
+				VR_ERROR(vr, "memcached error: %s", (*err)->message);
+			}
 		} else {
 			VR_ERROR(vr, "memcached error: %s", "Unknown error");
 		}