fix linting

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

cmd/syft/cli/attest/attest.go

@@ -105,6 +105,10 @@ func execWorker(app *config.Application, si source.Input) <-chan error {
 		defer os.Remove(f.Name())
 
 		writer, err := options.MakeWriter(app.Outputs, f.Name(), app.OutputTemplatePath)
+		if err != nil {
+			errs <- fmt.Errorf("unable to create SBOM writer: %w", err)
+			return
+		}
 
 		if err := writer.Write(*s); err != nil {
 			errs <- fmt.Errorf("unable to write SBOM to temp file: %w", err)
@@ -188,7 +192,6 @@ func execWorker(app *config.Application, si source.Input) <-chan error {
 		}
 
 		mon.SetCompleted()
-
 	}()
 	return errs
 }

cmd/syft/cli/options/writer.go

@@ -48,7 +48,6 @@ func MakeWriter(outputs []string, defaultFile, templateFilePath string) (sbom.Wr
 
 // MakeWriterForFormat creates a sbom.Writer for for the given format or returns an error.
 func MakeWriterForFormat(format sbom.Format, path string) (sbom.Writer, error) {
-
 	writer, err := newMultiWriter(newWriterOption(format, path))
 	if err != nil {
 		return nil, err