[ovs-dev] [PATCH RFC 15/52] ovsdb-error: New function ovsdb_error_to_json_free().

[Ben Pfaff]

This simplifies little bits of code here and there.

Signed-off-by: Ben Pfaff <b...@ovn.org>
---
 lib/ovsdb-error.c      |  8 ++++++++
 lib/ovsdb-error.h      |  1 +
 ovsdb/execution.c      |  4 +---
 ovsdb/jsonrpc-server.c | 24 ++++++------------------
 4 files changed, 16 insertions(+), 21 deletions(-)

diff --git a/lib/ovsdb-error.c b/lib/ovsdb-error.c
index 82dc10966e99..dd08de687251 100644
--- a/lib/ovsdb-error.c
+++ b/lib/ovsdb-error.c
@@ -221,6 +221,14 @@ ovsdb_error_to_json(const struct ovsdb_error *error)
     return json;
 }
 
+struct json *
+ovsdb_error_to_json_free(struct ovsdb_error *error)
+{
+    struct json *json = ovsdb_error_to_json(error);
+    ovsdb_error_destroy(error);
+    return json;
+}
+
 char *
 ovsdb_error_to_string(const struct ovsdb_error *error)
 {
diff --git a/lib/ovsdb-error.h b/lib/ovsdb-error.h
index ff9b889a8687..77a60e074f9c 100644
--- a/lib/ovsdb-error.h
+++ b/lib/ovsdb-error.h
@@ -66,6 +66,7 @@ struct ovsdb_error *ovsdb_error_clone(const struct 
ovsdb_error *)
 char *ovsdb_error_to_string(const struct ovsdb_error *);
 char *ovsdb_error_to_string_free(struct ovsdb_error *);
 struct json *ovsdb_error_to_json(const struct ovsdb_error *);
+struct json *ovsdb_error_to_json_free(struct ovsdb_error *);
 
 const char *ovsdb_error_get_tag(const struct ovsdb_error *);
 
diff --git a/ovsdb/execution.c b/ovsdb/execution.c
index 1ebe7a772e47..c6feafd7d552 100644
--- a/ovsdb/execution.c
+++ b/ovsdb/execution.c
@@ -120,9 +120,7 @@ ovsdb_execute(struct ovsdb *db, const struct ovsdb_session 
*session,
                                        "as first parameter");
         }
 
-        results = ovsdb_error_to_json(error);
-        ovsdb_error_destroy(error);
-        return results;
+        return ovsdb_error_to_json_free(error);
     }
 
     x.db = db;
diff --git a/ovsdb/jsonrpc-server.c b/ovsdb/jsonrpc-server.c
index 27cbd8449e3f..aec6603958d7 100644
--- a/ovsdb/jsonrpc-server.c
+++ b/ovsdb/jsonrpc-server.c
@@ -730,8 +730,8 @@ ovsdb_jsonrpc_lookup_db(const struct ovsdb_jsonrpc_session 
*s,
     return db;
 
 error:
-    *replyp = jsonrpc_create_error(ovsdb_error_to_json(error), request->id);
-    ovsdb_error_destroy(error);
+    *replyp = jsonrpc_create_error(ovsdb_error_to_json_free(error),
+                                   request->id);
     return NULL;
 }
 
@@ -781,7 +781,6 @@ ovsdb_jsonrpc_session_lock(struct ovsdb_jsonrpc_session *s,
                            enum ovsdb_lock_mode mode)
 {
     struct ovsdb_lock_waiter *waiter;
-    struct jsonrpc_msg *reply;
     struct ovsdb_error *error;
     struct ovsdb_session *victim;
     const char *lock_name;
@@ -820,9 +819,7 @@ ovsdb_jsonrpc_session_lock(struct ovsdb_jsonrpc_session *s,
     return jsonrpc_create_reply(result, request->id);
 
 error:
-    reply = jsonrpc_create_error(ovsdb_error_to_json(error), request->id);
-    ovsdb_error_destroy(error);
-    return reply;
+    return jsonrpc_create_error(ovsdb_error_to_json_free(error), request->id);
 }
 
 static void
@@ -857,7 +854,6 @@ ovsdb_jsonrpc_session_unlock(struct ovsdb_jsonrpc_session 
*s,
                              struct jsonrpc_msg *request)
 {
     struct ovsdb_lock_waiter *waiter;
-    struct jsonrpc_msg *reply;
     struct ovsdb_error *error;
     const char *lock_name;
 
@@ -884,9 +880,7 @@ ovsdb_jsonrpc_session_unlock(struct ovsdb_jsonrpc_session 
*s,
     return jsonrpc_create_reply(json_object_create(), request->id);
 
 error:
-    reply = jsonrpc_create_error(ovsdb_error_to_json(error), request->id);
-    ovsdb_error_destroy(error);
-    return reply;
+    return jsonrpc_create_error(ovsdb_error_to_json_free(error), request->id);
 }
 
 static struct jsonrpc_msg *
@@ -1361,9 +1355,7 @@ error:
         ovsdb_jsonrpc_monitor_destroy(m);
     }
 
-    json = ovsdb_error_to_json(error);
-    ovsdb_error_destroy(error);
-    return jsonrpc_create_error(json, request_id);
+    return jsonrpc_create_error(ovsdb_error_to_json_free(error), request_id);
 }
 
 static struct ovsdb_error *
@@ -1406,7 +1398,6 @@ ovsdb_jsonrpc_monitor_cond_change(struct 
ovsdb_jsonrpc_session *s,
     struct ovsdb_jsonrpc_monitor *m;
     struct json *monitor_cond_change_reqs;
     struct shash_node *node;
-    struct json *json;
 
     if (json_array(params)->n != 3) {
         error = ovsdb_syntax_error(params, NULL, "invalid parameters");
@@ -1490,10 +1481,7 @@ ovsdb_jsonrpc_monitor_cond_change(struct 
ovsdb_jsonrpc_session *s,
     return jsonrpc_create_reply(json_object_create(), request_id);
 
 error:
-
-    json = ovsdb_error_to_json(error);
-    ovsdb_error_destroy(error);
-    return jsonrpc_create_error(json, request_id);
+    return jsonrpc_create_error(ovsdb_error_to_json_free(error), request_id);
 }
 
 static struct jsonrpc_msg *
-- 
2.10.2

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