ovsdb: Fix segfault in ovsdb_file_txn_row_from_json().

[sliver-openvswitch.git] / ovsdb / file.c

diff --git a/ovsdb/file.c b/ovsdb/file.c
index 7061d68..50c50e8 100644 (file)
--- a/ovsdb/file.c
+++ b/ovsdb/file.c
@@ -215,6 +215,7 @@ ovsdb_file_open__(const char *file_name,
                                          &date, &txn);
         json_destroy(json);
         if (error) {
+            ovsdb_log_unread(log);
             break;
         }
 
@@ -223,14 +224,18 @@ ovsdb_file_open__(const char *file_name,
             oldest_commit = date;
         }
 
-        ovsdb_txn_commit(txn, false);
+        error = ovsdb_txn_commit(txn, false);
+        if (error) {
+            ovsdb_log_unread(log);
+            break;
+        }
     }
     if (error) {
         /* Log error but otherwise ignore it.  Probably the database just got
          * truncated due to power failure etc. and we should use its current
          * contents. */
         char *msg = ovsdb_error_to_string(error);
-        VLOG_WARN("%s", msg);
+        VLOG_ERR("%s", msg);
         free(msg);
 
         ovsdb_error_destroy(error);
@@ -328,10 +333,9 @@ ovsdb_file_txn_row_from_json(struct ovsdb_txn *txn, struct ovsdb_table *table,
         error = ovsdb_file_update_row_from_json(new, converting, json);
         if (error) {
             ovsdb_row_destroy(new);
+        } else {
+            ovsdb_txn_row_insert(txn, new);
         }
-
-        ovsdb_txn_row_insert(txn, new);
-
         return error;
     }
 }
@@ -404,9 +408,7 @@ ovsdb_file_txn_from_json(struct ovsdb *db, const struct json *json,
         if (!table) {
             if (!strcmp(table_name, "_date")
                 && node_json->type == JSON_INTEGER) {
-                if (date) {
-                    *date = json_integer(node_json);
-                }
+                *date = json_integer(node_json);
                 continue;
             } else if (!strcmp(table_name, "_comment") || converting) {
                 continue;