fix lint warnings

proxy/blackhole/blackhole.go

@@ -29,8 +29,8 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
 }
 
 // Process implements OutboundHandler.Dispatch().
-func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dialer proxy.Dialer) error {
-	v.response.WriteTo(outboundRay.OutboundOutput())
+func (h *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dialer proxy.Dialer) error {
+	h.response.WriteTo(outboundRay.OutboundOutput())
 	// Sleep a little here to make sure the response is sent to client.
 	time.Sleep(time.Second)
 	outboundRay.OutboundOutput().CloseError()

proxy/blackhole/config.go

@@ -1,6 +1,7 @@
 package blackhole
 
 import (
+	"v2ray.com/core/common"
 	"v2ray.com/core/common/buf"
 	"v2ray.com/core/common/serial"
 )
@@ -27,7 +28,7 @@ func (*NoneResponse) WriteTo(buf.Writer) {}
 // WriteTo implements ResponseConfig.WriteTo().
 func (*HTTPResponse) WriteTo(writer buf.Writer) {
 	b := buf.NewLocal(512)
-	b.AppendSupplier(serial.WriteString(http403response))
+	common.Must(b.AppendSupplier(serial.WriteString(http403response)))
 	writer.Write(buf.NewMultiBufferValue(b))
 }