From fb00af23fb09c99b6dec76f04041cbc5b9f4c214 Mon Sep 17 00:00:00 2001
From: Evgeniy Kulikov <kim@nspcc.ru>
Date: Thu, 20 Aug 2020 02:30:18 +0300
Subject: [PATCH] Fixed possible NPE in PutObject

Signed-off-by: Evgeniy Kulikov <kim@nspcc.ru>
---
 api/layer/layer.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/api/layer/layer.go b/api/layer/layer.go
index 79994edde..80a05b972 100644
--- a/api/layer/layer.go
+++ b/api/layer/layer.go
@@ -288,7 +288,10 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*ObjectInfo,
 
 	_, err = n.objectFindID(ctx, cid, p.Object, true)
 	if err == nil {
-		return nil, err
+		return nil, &api.ObjectAlreadyExists{
+			Bucket: p.Bucket,
+			Object: p.Object,
+		}
 	}
 
 	oid, err := refs.NewObjectID()