check returned errno

Signed-off-by: joccau <[email protected]>

server/http_handler.go

@@ -800,14 +800,22 @@ func (h binlogRecover) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	case "reset":
 		binloginfo.ResetSkippedCommitterCounter()
 	case "nowait":
-		binloginfo.DisableSkipBinlogFlag()
+		err := binloginfo.DisableSkipBinlogFlag()
+		if err != nil {
+			writeError(w, err)
+			return
+		}
 	case "status":
 	default:
 		sec, err := strconv.ParseInt(req.FormValue(qSeconds), 10, 64)
 		if sec <= 0 || err != nil {
 			sec = 1800
 		}
-		binloginfo.DisableSkipBinlogFlag()
+		err = binloginfo.DisableSkipBinlogFlag()
+		if err != nil {
+			writeError(w, err)
+			return
+		}
 		timeout := time.Duration(sec) * time.Second
 		err = binloginfo.WaitBinlogRecover(timeout)
 		if err != nil {

sessionctx/binloginfo/binloginfo.go

@@ -119,10 +119,15 @@ func EnableSkipBinlogFlag() {
 }
 
 // DisableSkipBinlogFlag disable the skipBinlog flag.
-func DisableSkipBinlogFlag() {
+func DisableSkipBinlogFlag() error {
+	if err := statusListener(BinlogStatusOn); err != nil {
+		logutil.BgLogger().Warn("update binlog status failed", zap.Error(err))
+		return errors.Trace(err)
+	}
+
 	atomic.StoreUint32(&skipBinlog, 0)
-	statusListener(BinlogStatusOn)
 	logutil.BgLogger().Warn("[binloginfo] disable the skipBinlog flag")
+	return nil
 }
 
 // IsBinlogSkipped gets the skipBinlog flag.