msg/async: drop intermediary variables in frame_v2.cc.

They were required only because we lacked rvalue-taking
variant of `bufferlist::claim_append()`.

Signed-off-by: Radoslaw Zarzynski <rzarzyns@redhat.com>

diff --git a/src/msg/async/frames_v2.cc b/src/msg/async/frames_v2.cc
index 8fdded42d87714cdc33c8cc6811574167b271849..7a0b5907b248944a59ffe60a99020de1baa5d874 100644 (file)
--- a/src/msg/async/frames_v2.cc
+++ b/src/msg/async/frames_v2.cc
@@ -206,8 +206,7 @@ bufferlist FrameAssembler::asm_secure_rev1(const preamble_block_t& preamble,
   if (segment_bls[0].length() > 0) {
     m_crypto->tx->reset_tx_handler({segment_bls[0].length()});
     m_crypto->tx->authenticated_encrypt_update(segment_bls[0]);
-    auto tmp = m_crypto->tx->authenticated_encrypt_final();
-    frame_bl.claim_append(tmp);
+    frame_bl.claim_append(m_crypto->tx->authenticated_encrypt_final());
   }
   if (m_descs.size() == 1) {
     return frame_bl;  // no epilogue if only one segment
@@ -234,8 +233,7 @@ bufferlist FrameAssembler::asm_secure_rev1(const preamble_block_t& preamble,
     }
   }
   m_crypto->tx->authenticated_encrypt_update(epilogue_bl);
-  auto tmp = m_crypto->tx->authenticated_encrypt_final();
-  frame_bl.claim_append(tmp);
+  frame_bl.claim_append(m_crypto->tx->authenticated_encrypt_final());
   return frame_bl;
 }
 
@@ -396,7 +394,7 @@ void FrameAssembler::disasm_first_secure_rev1(bufferlist& preamble_bl,
     segment_bl.swap(tmp);
     preamble_bl.splice(sizeof(preamble_block_t), FRAME_PREAMBLE_INLINE_SIZE,
                        &segment_bl);
-    segment_bl.claim_append(tmp);
+    segment_bl.claim_append(std::move(tmp));
   } else {
     ceph_assert(segment_bl.length() == 0);
     preamble_bl.splice(sizeof(preamble_block_t), FRAME_PREAMBLE_INLINE_SIZE,