rgw: check for -ERR_NOT_MODIFIED in rgw_rest_s3.cc

Fixes: http://tracker.ceph.com/issues/16327
Signed-off-by: Nathan Cutler <ncutler@suse.com>
(cherry picked from commit fc38346c596d8b0bc156183970d6a327943cb577)

diff --git a/src/rgw/rgw_rest_s3.cc b/src/rgw/rgw_rest_s3.cc
index dc4e9708efa1565f13d0b5dcba07bf52c2b17dca..fd2f8454538144c6f8c4c2dab48af1871711a504 100644 (file)
--- a/src/rgw/rgw_rest_s3.cc
+++ b/src/rgw/rgw_rest_s3.cc
@@ -256,7 +256,7 @@ done:
                        riter->second.c_str());
   }
 
-  if (op_ret == ERR_NOT_MODIFIED) {
+  if (op_ret == -ERR_NOT_MODIFIED) {
       end_header(s, this);
   } else {
       if (!content_type)