From: Jun Su <howard0su@gmail.com>
Date: Tue, 11 Feb 2020 11:28:23 +0000 (+0800)
Subject: msg/async/dpdk: Fix build when DPDK enabled
X-Git-Tag: v15.1.1~460^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6bdf97c329c6179087c8fdeba21fcda93e8c1755;p=ceph.git

msg/async/dpdk: Fix build when DPDK enabled

Signed-off-by: Jun Su <howard0su@gmail.com>
---

diff --git a/src/msg/async/dpdk/DPDKStack.h b/src/msg/async/dpdk/DPDKStack.h
index 7ff2852ea85..37626bee492 100644
--- a/src/msg/async/dpdk/DPDKStack.h
+++ b/src/msg/async/dpdk/DPDKStack.h
@@ -137,10 +137,9 @@ private:
 
     std::vector<fragment> frags;
     auto pb = bl.buffers().begin();
-    uint64_t left_pbrs = bl.buffers().size();
     uint64_t len = 0;
     uint64_t seglen = 0;
-    while (len < available && left_pbrs--) {
+    while (len < available && pb != bl.buffers().end()) {
       seglen = pb->length();
       // Buffer length is zero, no need to send, so skip it
       if (seglen == 0) {