Fix crash when attempting to dupe options

If the engine has extended options but isn't loaded, boom.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/options.c b/options.c
index 6352f0a8827bc8c8902f376aab677fbec4768d81..53c3a82674f1821961c41ec8fb15cd44f29ced12 100644 (file)
--- a/options.c
+++ b/options.c
@@ -2484,8 +2484,10 @@ void options_mem_dupe(void *data, struct fio_option *options)
 void fio_options_mem_dupe(struct thread_data *td)
 {
        options_mem_dupe(&td->o, options);
-       if (td->eo) {
+
+       if (td->eo && td->io_ops) {
                void *oldeo = td->eo;
+
                td->eo = malloc(td->io_ops->option_struct_size);
                memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
                options_mem_dupe(td->eo, td->io_ops->options);