nvme: add nvme opcodes, structures and helper functions

[fio.git] / ioengines.c

diff --git a/ioengines.c b/ioengines.c
index dd61af07a4432c802ba53d18535c2dc44ea2a8bf..68f307e541a9f5b0cd469c5f7fc695506b8e5144 100644 (file)
--- a/ioengines.c
+++ b/ioengines.c
@@ -223,6 +223,8 @@ struct ioengine_ops *load_ioengine(struct thread_data *td)
  */
 void free_ioengine(struct thread_data *td)
 {
+       assert(td != NULL && td->io_ops != NULL);
+
        dprint(FD_IO, "free ioengine %s\n", td->io_ops->name);
 
        if (td->eo && td->io_ops->options) {
@@ -692,17 +694,17 @@ int fio_show_ioengine_help(const char *engine)
        }
 
        td.o.ioengine = (char *)engine;
-       io_ops = load_ioengine(&td);
+       td.io_ops = load_ioengine(&td);
 
-       if (!io_ops) {
+       if (!td.io_ops) {
                log_info("IO engine %s not found\n", engine);
                return 1;
        }
 
-       if (io_ops->options)
-               ret = show_cmd_help(io_ops->options, sep);
+       if (td.io_ops->options)
+               ret = show_cmd_help(td.io_ops->options, sep);
        else
-               log_info("IO engine %s has no options\n", io_ops->name);
+               log_info("IO engine %s has no options\n", td.io_ops->name);
 
        free_ioengine(&td);
        return ret;