Update to the latest golangci-lint

ipblocklist/files/http.go

@@ -23,7 +23,7 @@ func (h httpFile) Open(ctx context.Context) (io.ReadCloser, error) {
 	if err != nil {
 		if response != nil {
 			io.Copy(io.Discard, response.Body) //nolint: errcheck
-			response.Body.Close()
+			response.Body.Close() //nolint: errcheck
 		}
 
 		return nil, fmt.Errorf("cannot get url %s: %w", h.url, err)

ipblocklist/files/http_test.go

@@ -77,7 +77,7 @@ func (suite *HTTPTestSuite) TestOk() {
 	readCloser, err := file.Open(suite.ctx)
 	suite.NoError(err)
 
-	defer readCloser.Close()
+	defer readCloser.Close() //nolint: errcheck
 
 	data, err := io.ReadAll(readCloser)
 	suite.NoError(err)

ipblocklist/firehol.go

@@ -19,8 +19,8 @@ import (
 var (
 	fireholRegexpComment = regexp.MustCompile(`\s*#.*?$`)
 
-	fireholIPv4DefaultCIDR = net.CIDRMask(32, 32)   //nolint: gomnd
-	fireholIPv6DefaultCIDR = net.CIDRMask(128, 128) //nolint: gomnd
+	fireholIPv4DefaultCIDR = net.CIDRMask(32, 32)
+	fireholIPv6DefaultCIDR = net.CIDRMask(128, 128)
 )
 
 // FireholUpdateCallback defines a signature of the callback that has to be
@@ -130,7 +130,7 @@ func (f *Firehol) update() {
 				return
 			}
 
-			defer fileContent.Close()
+			defer fileContent.Close() //nolint: errcheck
 
 			if err := f.updateFromFile(mutex, ranger, bufio.NewScanner(fileContent)); err != nil {
 				logger.WarningError("update has failed", err)

ipblocklist/firehol_test.go

@@ -35,7 +35,7 @@ func (suite *FireholTestSuite) SetupSuite() {
 			panic(err)
 		}
 
-		defer filefp.Close()
+		defer filefp.Close() //nolint: errcheck
 
 		io.Copy(w, filefp) //nolint: errcheck
 	})