ensure reply is initialized before returning

Signed-off-by: A. Jesse Jiryu Davis <[email protected]>

Author: cschwarz-inco

doc/mongoc_bulk_operation_execute.page

@@ -31,7 +31,7 @@ mongoc_bulk_operation_execute (mongoc_bulk_operation_t *bulk,
     <title>Parameters</title>
     <table>
       <tr><td><p>bulk</p></td><td><p>A <code xref="mongoc_bulk_operation_t">mongoc_bulk_operation_t</code>.</p></td></tr>
-      <tr><td><p>reply</p></td><td><p>A <code xref="bson:bson_t">bson_t</code>.</p></td></tr>
+      <tr><td><p>reply</p></td><td><p>An uninitialized <code xref="bson:bson_t">bson_t</code>.</p></td></tr>
       <tr><td><p>error</p></td><td><p>An optional location for a <code xref="errors">bson_error_t</code> or <code>NULL</code>.</p></td></tr>
     </table>
   </section>

src/mongoc/mongoc-bulk-operation.c

@@ -396,6 +396,10 @@ mongoc_bulk_operation_execute (mongoc_bulk_operation_t *bulk,  /* IN */
 
    bulk->executed = true;
 
+   if (reply) {
+      bson_init (reply);
+   }
+
    if (!bulk->client) {
       bson_set_error (error,
                       MONGOC_ERROR_COMMAND,
@@ -419,10 +423,6 @@ mongoc_bulk_operation_execute (mongoc_bulk_operation_t *bulk,  /* IN */
       RETURN (false);
    }
 
-   if (reply) {
-      bson_init (reply);
-   }
-
    if (!bulk->commands.len) {
       bson_set_error (error,
                       MONGOC_ERROR_COMMAND,