Add missing PQclear() calls into pg_receivexlog.

Back-patch to 9.3.

diff --git a/src/bin/pg_basebackup/receivelog.c b/src/bin/pg_basebackup/receivelog.c
index 99d875be9c5c095edeed3e0446abee9428c3c63d..a260881517de995190e3fccedd8d5d7f322d2770 100644 (file)
--- a/src/bin/pg_basebackup/receivelog.c
+++ b/src/bin/pg_basebackup/receivelog.c
@@ -628,6 +628,7 @@ ReceiveXlogStream(PGconn *conn, XLogRecPtr startpos, uint32 timeline,
                fprintf(stderr,
                   _("%s: unexpected termination of replication stream: %s"),
                        progname, PQresultErrorMessage(res));
+               PQclear(res);
                goto error;
            }
            PQclear(res);
@@ -642,6 +643,8 @@ ReceiveXlogStream(PGconn *conn, XLogRecPtr startpos, uint32 timeline,
        }
        else if (PQresultStatus(res) == PGRES_COMMAND_OK)
        {
+           PQclear(res);
+
            /*
             * End of replication (ie. controlled shut down of the server).
             *
@@ -663,6 +666,7 @@ ReceiveXlogStream(PGconn *conn, XLogRecPtr startpos, uint32 timeline,
            fprintf(stderr,
                    _("%s: unexpected termination of replication stream: %s"),
                    progname, PQresultErrorMessage(res));
+           PQclear(res);
            goto error;
        }
    }
@@ -839,6 +843,7 @@ HandleCopyStream(PGconn *conn, XLogRecPtr startpos, uint32 timeline,
                        PQclear(res);
                        goto error;
                    }
+                   PQclear(res);
                    res = PQgetResult(conn);
                }
                still_sending = false;