From a4bf22e620b75c8c08aae5520b5ab60083a8430a Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Tue, 17 Jan 2017 17:34:21 +0000
Subject: [PATCH] b2: fix upload url not being refreshed properly #825

---
 b2/b2.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/b2/b2.go b/b2/b2.go
index 8a663a590..280a34958 100644
--- a/b2/b2.go
+++ b/b2/b2.go
@@ -1280,7 +1280,10 @@ func (o *Object) Update(in io.Reader, src fs.ObjectInfo) (err error) {
 	if err != nil {
 		return err
 	}
-	defer o.fs.returnUploadURL(upload)
+	defer func() {
+		// return it like this because we might nil it out
+		o.fs.returnUploadURL(upload)
+	}()
 
 	// Headers for upload file
 	//