From: Yehuda Sadeh <yehuda@redhat.com>
Date: Mon, 4 Dec 2017 07:45:31 +0000 (-0800)
Subject: cls_otp: treat empty header as -ENOENT
X-Git-Tag: v13.1.0~343^2~28
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=63924ef625479fd248d299ffbc8bab940f0e7bc7;p=ceph.git

cls_otp: treat empty header as -ENOENT

Signed-off-by: Yehuda Sadeh <yehuda@redhat.com>
---

diff --git a/src/cls/otp/cls_otp.cc b/src/cls/otp/cls_otp.cc
index 188345d56d9f..d584df66bba8 100644
--- a/src/cls/otp/cls_otp.cc
+++ b/src/cls/otp/cls_otp.cc
@@ -228,6 +228,11 @@ static int read_header(cls_method_context_t hctx, otp_header *h)
     return r;
   }
 
+  if (bl.length() == 0) {
+    *h = otp_header();
+    return 0;
+  }
+
   auto iter = bl.begin();
   try {
     ::decode(*h, iter);