pkg/vminfo: refactor few things

Use default nop implementation for most openbsd/netbsd methods.
Move linux-specific vm type checks to linux code.
Remove indirection for CheckFiles as we have for RequiredFiles.

1 files changed, 2 insertions, 16 deletions

diff --git a/pkg/vminfo/openbsd.go b/pkg/vminfo/openbsd.go
index e7c0d78e2..fe7c0191e 100644
--- a/pkg/vminfo/openbsd.go
+++ b/pkg/vminfo/openbsd.go
@@ -7,22 +7,8 @@ import (
 	"github.com/google/syzkaller/prog"
 )
 
-type openbsd int
-
-func (openbsd) RequiredFiles() []string {
-	return nil
-}
-
-func (openbsd) checkFiles() []string {
-	return nil
-}
-
-func (openbsd) parseModules(files filesystem) ([]*KernelModule, error) {
-	return nil, nil
-}
-
-func (openbsd) machineInfos() []machineInfoFunc {
-	return nil
+type openbsd struct {
+	nopChecker
 }
 
 func (openbsd) syscallCheck(ctx *checkContext, call *prog.Syscall) string {