[mx] fix a couple missing errors.Is

1 files changed, 2 insertions, 2 deletions

diff --git a/memex/main.go b/memex/main.go
index aa19468..b6d21d4 100644
--- a/memex/main.go
+++ b/memex/main.go
@@ -820,7 +820,7 @@ func checkWalk(w Walker, chk *Check) (bool, error) {
 		}
 		ws, err := w.Dive() /* ws is nil if err != nil */
 		var bad bool
-		if err == readError {
+		if errors.Is(err, readError) {
 			bad = true
 			err = nil
 		}
@@ -861,7 +861,7 @@ func checkCmd(revs []string) int {
 		for !addr.IsZero() && !visited(addr, Vcommit, chk) {
 			chk.loc = append(chk.loc[:0], addr.String())
 			commit, err := rd.ReadCommit(addr)
-			if err == readError {
+			if errors.Is(err, readError) {
 				markBad(addr, chk)
 				break
 			}