From 9ce94349d69082913f69a7b0eccc13f40e2c610b Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@fb.com>
Date: Mon, 5 Jan 2015 08:50:41 -0700
Subject: [PATCH 1/1] memory: double check that mmapfd isn't -1 before closing

Signed-off-by: Jens Axboe <axboe@fb.com>
---
 memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/memory.c b/memory.c
index 76da8a86..f81c2dd4 100644
--- a/memory.c
+++ b/memory.c
@@ -158,7 +158,7 @@ static int alloc_mem_mmap(struct thread_data *td, size_t total_mem)
 	if (td->orig_buffer == MAP_FAILED) {
 		td_verror(td, errno, "mmap");
 		td->orig_buffer = NULL;
-		if (td->mmapfd != 1) {
+		if (td->mmapfd != 1 && td->mmapfd != -1) {
 			close(td->mmapfd);
 			if (td->o.mmapfile)
 				unlink(td->o.mmapfile);
-- 
2.25.1