X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=log.c;h=191f806aa2e471747f8c561ba59365c4f2269ad9;hp=790d3a1e32c9d4c046bb17be0f10f44a74f5fef3;hb=5921e80c5dfc9f96d2f21da6ae58f2b5d3a0b373;hpb=748b23a36509240af1debf5f7f3ca8ef153548ea

diff --git a/log.c b/log.c
index 790d3a1e..191f806a 100644
--- a/log.c
+++ b/log.c
@@ -4,6 +4,7 @@
  */
 #include <stdio.h>
 #include <stdlib.h>
+#include <libgen.h>
 #include <assert.h>
 #include "list.h"
 #include "fio.h"
@@ -40,6 +41,13 @@ void log_file(struct thread_data *td, struct fio_file *f,
 	if (!td->o.write_iolog_file)
 		return;
 
+
+	/*
+	 * this happens on the pre-open/close done before the job starts
+	 */
+	if (!td->iolog_f)
+		return;
+
 	fprintf(td->iolog_f, "%s %s\n", f->file_name, act[what]);
 }