Don't overwrite error

The first error is usually the most interesting, so don't overwrite
in __td_verror().

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/fio.h b/fio.h
index 304f658e272551d29420f97dc3b103e598913044..aeb45bf73611bd718ae0cfd89294b04c600e9fb6 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -425,6 +425,8 @@ struct thread_data {
 
 #define __td_verror(td, err, msg)                                      \
        do {                                                            \
+               if ((td)->error)                                        \
+                       break;                                          \
                int e = (err);                                          \
                (td)->error = e;                                        \
                snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg));        \