Update linter for golang v1.25 compatibility

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

internal/pkg/node/mergo.go

@@ -179,7 +179,7 @@ func (config *NodesYaml) MergeNode(id string) (node Node, fields fieldMap, err e
 	node.setIds(id)
 	node.valid = true
 	node.updatePrimaryNetDev()
-	node.Profile.cleanLists()
+	node.cleanLists()
 	return node, fields, nil
 }
 

internal/pkg/node/modifiers.go

@@ -113,7 +113,7 @@ func (config *NodesYaml) Persist() error {
 	return config.PersistToFile(warewulfconf.Get().Paths.NodesConf())
 }
 
-func (config *NodesYaml) PersistToFile(configFile string) error {
+func (config *NodesYaml) PersistToFile(configFile string) (err error) {
 	if configFile == "" {
 		configFile = warewulfconf.Get().Paths.NodesConf()
 	}
@@ -127,7 +127,11 @@ func (config *NodesYaml) PersistToFile(configFile string) error {
 		wwlog.Error("%s", err)
 		return err
 	}
-	defer file.Close()
+	defer func() {
+		if cerr := file.Close(); cerr != nil && err == nil {
+			err = cerr
+		}
+	}()
 	_, err = file.WriteString(string(out))
 	if err != nil {
 		return err

internal/pkg/node/util_test.go

@@ -83,7 +83,7 @@ func Test_nodeYaml_FindByHwaddr(t *testing.T) {
 				t.Errorf("FindByHwaddr() error = %v, wantErr %v", err, tt.wantErr)
 				return
 			}
-			if !(got.id == tt.want) {
+			if got.id != tt.want {
 				t.Errorf("FindByHwaddr() got = %v, want %v", got, tt.want)
 			}
 		})
@@ -121,7 +121,7 @@ func Test_nodeYaml_FindByIpaddr(t *testing.T) {
 				t.Errorf("FindByIpaddr() error = %v, wantErr %v", err, tt.wantErr)
 				return
 			}
-			if !(got.id == tt.want) {
+			if got.id != tt.want {
 				t.Errorf("FindByHwaddr() got = %v, want %v", got, tt.want)
 			}
 		})