Merge pull request #37472 from thaJeztah/no_unknown

Do not return "<unknown>" in /info response
Upstream-commit: 0a4f89566a22a07427d850a8d70f264210062da0
Component: engine

components/engine/daemon/info.go

@@ -179,7 +179,7 @@ func hostName() string {
 }
 
 func kernelVersion() string {
-	kernelVersion := "<unknown>"
+	var kernelVersion string
 	if kv, err := kernel.GetKernelVersion(); err != nil {
 		logrus.Warnf("Could not get kernel version: %v", err)
 	} else {
@@ -198,7 +198,7 @@ func memInfo() *system.MemInfo {
 }
 
 func operatingSystem() string {
-	operatingSystem := "<unknown>"
+	var operatingSystem string
 	if s, err := operatingsystem.GetOperatingSystem(); err != nil {
 		logrus.Warnf("Could not get operating system name: %v", err)
 	} else {