Add more error handling

internal/backend/local/local.go

@@ -265,9 +265,15 @@ func visitDirs(ctx context.Context, dir string, fn func(restic.FileInfo) error)
 	if err != nil {
 		return err
 	}
-	defer d.Close()
 
 	sub, err := d.Readdirnames(-1)
+	if err != nil {
+		// ignore subsequent errors
+		_ = d.Close()
+		return err
+	}
+
+	err = d.Close()
 	if err != nil {
 		return err
 	}
@@ -286,9 +292,15 @@ func visitFiles(ctx context.Context, dir string, fn func(restic.FileInfo) error)
 	if err != nil {
 		return err
 	}
-	defer d.Close()
 
 	sub, err := d.Readdir(-1)
+	if err != nil {
+		// ignore subsequent errors
+		_ = d.Close()
+		return err
+	}
+
+	err = d.Close()
 	if err != nil {
 		return err
 	}

internal/backend/local/local_internal_test.go

@@ -30,7 +30,9 @@ func TestNoSpacePermanent(t *testing.T) {
 
 	be, err := Open(context.Background(), Config{Path: dir})
 	rtest.OK(t, err)
-	defer be.Close()
+	defer func() {
+		rtest.OK(t, be.Close())
+	}()
 
 	h := restic.Handle{Type: restic.ConfigFile}
 	err = be.Save(context.Background(), h, nil)