[PATCH] Fix segfault if ioengine isn't set

[fio.git] / init.c

diff --git a/init.c b/init.c
index 3eaf9b7f383bab8451d4c75b9d193772870cbe84..58aca3c2c81ba162809d7af4dc91008799359093 100644 (file)
--- a/init.c
+++ b/init.c
@@ -124,6 +124,17 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
        if (td == &def_thread)
                return 0;
 
+       /*
+        * Set default io engine, if none set
+        */
+       if (!td->io_ops) {
+               td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME);
+               if (!td->io_ops) {
+                       log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME);
+                       return 1;
+               }
+       }
+
        if (td->io_ops->flags & FIO_SYNCIO)
                td->iodepth = 1;
        else {
@@ -594,9 +605,6 @@ static int str_mem_cb(struct thread_data *td, char *mem)
 
 static int str_ioengine_cb(struct thread_data *td, char *str)
 {
-       if (!str)
-               str = DEF_IO_ENGINE_NAME;
-
        td->io_ops = load_ioengine(td, str);
        if (td->io_ops)
                return 0;