Diff for review 39340

gistfile1.txt

diff --git a/src/slave/containerizer/mesos/provisioner/docker/registry_client.cpp b/src/slave/containerizer/mesos/provisioner/docker/registry_client.cpp
index a8edf13..2d486dc 100644
--- a/src/slave/containerizer/mesos/provisioner/docker/registry_client.cpp
+++ b/src/slave/containerizer/mesos/provisioner/docker/registry_client.cpp
@@ -625,18 +625,15 @@ Future<size_t> RegistryClientProcess::saveBlob(
 {
   return reader.read()
     .then([this, fd, reader, totalSize](
-        const string& data) mutable -> Future<size_t> {
+        const string& data) -> Future<size_t> {
       if (data.empty()) {
           return totalSize;
       }
 
-      size_t length = data.length();
-      return _saveBlob(fd, data.data(), length)
-        .then([this, fd, reader, length, totalSize](
-            ) mutable -> Future<size_t> {
-          totalSize += length;
-
-          return saveBlob(fd, const_cast<Pipe::Reader&>(reader), totalSize);
+      size_t newTotalSize = totalSize + data.length();
+      return _saveBlob(fd, data.data(), newTotalSize)
+        .then([this, fd, reader, newTotalSize]()  -> Future<size_t> {
+          return saveBlob(fd, const_cast<Pipe::Reader&>(reader), newTotalSize);
         });
     });
 }