From: Jens Axboe <axboe@fb.com>
Date: Tue, 25 Feb 2014 21:43:17 +0000 (-0800)
Subject: Fix crash with --debug=file and NULL file return
X-Git-Tag: fio-2.1.6~16
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=0dac421f0fcd500d658d2fd68bc16416885a874a;ds=sidebyside

Fix crash with --debug=file and NULL file return

Don't attempt to dereference that, obviously.

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

diff --git a/io_u.c b/io_u.c
index 619fa252..a69efb76 100644
--- a/io_u.c
+++ b/io_u.c
@@ -1093,7 +1093,10 @@ static struct fio_file *__get_next_file(struct thread_data *td)
 	td->file_service_file = f;
 	td->file_service_left = td->file_service_nr - 1;
 out:
-	dprint(FD_FILE, "get_next_file: %p [%s]\n", f, f->file_name);
+	if (f)
+		dprint(FD_FILE, "get_next_file: %p [%s]\n", f, f->file_name);
+	else
+		dprint(FD_FILE, "get_next_file: NULL\n");
 	return f;
 }