vm/vmimpl: refactor DiagnoseFree/OpenBSD

Make signatures of these functions match vm.Diagnose.
Both more flexible, less code, more reasonable.

1 files changed, 2 insertions, 2 deletions

diff --git a/vm/vmimpl/freebsd.go b/vm/vmimpl/freebsd.go
index c6074028a..f2ebfba56 100644
--- a/vm/vmimpl/freebsd.go
+++ b/vm/vmimpl/freebsd.go
@@ -12,7 +12,7 @@ import (
 // is expected to be connected to a panicked FreeBSD kernel.  If kernel
 // just hanged, we've lost connection or detected some non-panic
 // error, console still shows normal login prompt.
-func DiagnoseFreeBSD(w io.Writer) bool {
+func DiagnoseFreeBSD(w io.Writer) ([]byte, bool) {
 	commands := []string{
 		"",
 		"set $lines = 0",    // disable pagination
@@ -28,5 +28,5 @@ func DiagnoseFreeBSD(w io.Writer) bool {
 		w.Write([]byte(c + "\n"))
 		time.Sleep(1 * time.Second)
 	}
-	return true
+	return nil, true
 }