use switch instead of multiple ifs (no semantic changes)

Signed-off-by: Michal Wasilewski <mwasilewski@gmx.com>

sysfs/vulnerability.go

@@ -81,29 +81,24 @@ func parseVulnerability(name, rawContent string) (*Vulnerability, error) {
 	v := &Vulnerability{CodeName: name}
 	rawContent = strings.TrimSpace(rawContent)
 	rawContentLower := strings.ToLower(rawContent)
-
-	if strings.HasPrefix(rawContentLower, notAffected) {
+	switch {
+	case strings.HasPrefix(rawContentLower, notAffected):
 		v.State = VulnerabilityStateNotAffected
-		return v, nil
-	}
-
-	if strings.HasPrefix(rawContentLower, vulnerable) {
+	case strings.HasPrefix(rawContentLower, vulnerable):
 		v.State = VulnerabilityStateVulnerable
 		m := strings.Fields(rawContent)
 		if len(m) > 1 {
 			v.Mitigation = strings.Join(m[1:], " ")
 		}
-		return v, nil
-	}
-
-	if strings.HasPrefix(rawContentLower, mitigation) {
+	case strings.HasPrefix(rawContentLower, mitigation):
 		v.State = VulnerabilityStateMitigation
 		m := strings.Fields(rawContent)
 		if len(m) > 1 {
 			v.Mitigation = strings.Join(m[1:], " ")
 		}
-		return v, nil
-	}
+	default:
+		return nil, fmt.Errorf("unknown vulnerability state for %s: %s", name, rawContent)
 
-	return nil, fmt.Errorf("unknown vulnerability state for %s: %s", name, rawContent)
+	}
+	return v, nil
 }