Bump linter to 1.52.2

Makefile

@@ -90,7 +90,7 @@ else
 endif
 go_path := PATH="$(go_bin_dir):$(PATH)"
 
-golangci_lint_version = v1.51.1
+golangci_lint_version = v1.52.2
 golangci_lint_dir = $(build_dir)/golangci_lint/$(golangci_lint_version)
 golangci_lint_bin = $(golangci_lint_dir)/golangci-lint
 golangci_lint_cache = $(golangci_lint_dir)/cache

pkg/sidecar/sidecar.go

@@ -237,11 +237,7 @@ func (s *Sidecar) dumpBundles(svidResponse *workloadapi.X509Context) error {
 		return err
 	}
 
-	if err := writeCerts(svidBundleFile, bundles); err != nil {
-		return err
-	}
-
-	return nil
+	return writeCerts(svidBundleFile, bundles)
 }
 
 func (s *Sidecar) writeJSON(fileName string, certs map[string]interface{}) error {
@@ -251,11 +247,8 @@ func (s *Sidecar) writeJSON(fileName string, certs map[string]interface{}) error
 	}
 
 	jsonPath := path.Join(s.config.CertDir, fileName)
-	if err = os.WriteFile(jsonPath, file, os.ModePerm); err != nil {
-		return err
-	}
 
-	return nil
+	return os.WriteFile(jsonPath, file, os.ModePerm)
 }
 
 func (s *Sidecar) updateJWTBundle(jwkSet *jwtbundle.Set) {

pkg/sidecar/util_posix.go

@@ -33,6 +33,6 @@ func (s *Sidecar) SignalProcess() error {
 	return nil
 }
 
-func validateOSConfig(c *Config) error {
+func validateOSConfig(_ *Config) error {
 	return nil
 }