From e60a508dd8286a707e1db64a3327de61f2c955c4 Mon Sep 17 00:00:00 2001
From: Matthieu MOREL <matthieu.morel35@gmail.com>
Date: Tue, 14 Nov 2023 18:48:53 +0100
Subject: [PATCH] tsdb/errors: fix errorlint linter

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>
---
 tsdb/errors/errors.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tsdb/errors/errors.go b/tsdb/errors/errors.go
index 21449e895..6a8e72f04 100644
--- a/tsdb/errors/errors.go
+++ b/tsdb/errors/errors.go
@@ -38,7 +38,8 @@ func (es *multiError) Add(errs ...error) {
 		if err == nil {
 			continue
 		}
-		if merr, ok := err.(nonNilMultiError); ok {
+		var merr nonNilMultiError
+		if errors.As(err, &merr) {
 			*es = append(*es, merr.errs...)
 			continue
 		}