pkg/ifaceprobe: note error only when res.Err is not null

Author: jiangenj

pkg/ifaceprobe/ifaceprobe.go

@@ -217,8 +217,10 @@ func (pr *prober) submitFile(file string) {
 		for _, req := range reqs {
 			res := req.Wait(pr.ctx)
 			if res.Status != queue.Success {
-				pr.noteError(fmt.Errorf("failed to execute prog: %w (%v)\n%s\n%s",
-					res.Err, res.Status, req.Prog.Serialize(), res.Output))
+				if (res.Err != nil) {
+					pr.noteError(fmt.Errorf("failed to execute prog: %w (%v)\n%s\n%s",
+						res.Err, res.Status, req.Prog.Serialize(), res.Output))
+				}
 				continue
 			}
 			desc.results = append(desc.results, res)
@@ -241,7 +243,7 @@ func globList() []string {
 	// /selinux is mounted by executor, we probably should mount it at the standard /sys/fs/selinux,
 	// but this is where it is now.
 	// Also query the test cwd, executor creates some links in there.
-	for _, path := range []string{"/dev", "/sys", "/proc", "/selinux", "."} {
+	for _, path := range []string{"/dev", "/proc", "/selinux", "."} {
 		// Our globs currently do not support recursion (#4906),
 		// so we append N "/*" parts manully. Some of the paths can be very deep, e.g. try:
 		// sudo find /sys -ls 2>/dev/null | sed "s#[^/]##g" | sort | uniq -c