Don't special case /sys/firmware in masked paths

Signed-off-by: John Howard <jhoward@microsoft.com>
Upstream-commit: b023a46a074c14d34e09d774c9e847343541a220
Component: engine

components/engine/oci/defaults.go

@@ -120,6 +120,7 @@ func DefaultLinuxSpec() specs.Spec {
 			"/proc/timer_stats",
 			"/proc/sched_debug",
 			"/proc/scsi",
+			"/sys/firmware",
 		},
 		ReadonlyPaths: []string{
 			"/proc/asound",
@@ -205,10 +206,5 @@ func DefaultLinuxSpec() specs.Spec {
 		s.Windows = &specs.Windows{}
 	}
 
-	// For LCOW support, don't mask /sys/firmware
-	if runtime.GOOS != "windows" {
-		s.Linux.MaskedPaths = append(s.Linux.MaskedPaths, "/sys/firmware")
-	}
-
 	return s
 }