From: Adam C. Emerson <aemerson@redhat.com>
Date: Tue, 8 May 2018 23:23:02 +0000 (-0400)
Subject: rgw: Exceptions should be caught by const reference
X-Git-Tag: v13.2.0~37^2~9
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=1a5142c61f51d8651d587351adbc66664c040f03;p=ceph.git

rgw: Exceptions should be caught by const reference

/Not/ by value.

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>
(cherry picked from commit 1065d7996e359283f0f3e3804cdb77b4829a9191)
---

diff --git a/src/rgw/rgw_acl_swift.cc b/src/rgw/rgw_acl_swift.cc
index de489444852d..18a999127470 100644
--- a/src/rgw/rgw_acl_swift.cc
+++ b/src/rgw/rgw_acl_swift.cc
@@ -106,7 +106,7 @@ static boost::optional<ACLGrant> referrer_to_grant(std::string url_spec,
 
     grant.set_referer(url_spec, is_negative ? 0 : perm);
     return grant;
-  } catch (std::out_of_range) {
+  } catch (const std::out_of_range&) {
     return boost::none;
   }
 }