From b249557f1d86a522df496a91e2143d5569dec32b Mon Sep 17 00:00:00 2001
From: "Adam C. Emerson" <aemerson@redhat.com>
Date: Mon, 7 May 2018 16:13:18 -0400
Subject: [PATCH] auto: Catch exceptions by const reference

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>
(cherry picked from commit 6e8188498e66ea46a58c6c46c44cecbb243d661d)
---
 src/mon/AuthMonitor.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mon/AuthMonitor.cc b/src/mon/AuthMonitor.cc
index aff80e9440e4..dfb166cfb2cd 100644
--- a/src/mon/AuthMonitor.cc
+++ b/src/mon/AuthMonitor.cc
@@ -1582,7 +1582,7 @@ bool AuthMonitor::_upgrade_format_to_dumpling()
       bufferlist::iterator it = p->second.caps["mon"].begin();
       decode(mon_caps, it);
     }
-    catch (buffer::error) {
+    catch (const buffer::error&) {
       dout(10) << __func__ << " unable to parse mon cap for "
 	       << p->first << dendl;
       continue;
-- 
2.47.3