[dpdk-stable] patch 'vfio: fix close unchecked file descriptor' has been queued to stable release 17.08.1

[Yuanhan Liu]

Hi,

FYI, your patch has been queued to stable release 17.08.1

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/24/17. So please
shout if anyone has objections.

Thanks.

	--yliu

---
>From 0f718a5f2e9b500acf99f6dddbe36dfc75439ce7 Mon Sep 17 00:00:00 2001
From: Kuba Kozak <kubax.kozak at intel.com>
Date: Thu, 21 Sep 2017 15:49:08 +0200
Subject: [PATCH] vfio: fix close unchecked file descriptor

[ upstream commit 96128b365eff2a1e5477e676c08c1fc631cc82c2 ]

Add file descriptor value check before calling close() function.

Coverity issue: 141297
Fixes: 811b6b25060f ("vfio: fix file descriptor leak in multi-process")

Signed-off-by: Kuba Kozak <kubax.kozak at intel.com>
Acked-by: Anatoly Burakov <anatoly.burakov at intel.com>
Acked-by: Patrick MacArthur <patrick at patrickmacarthur.net>
---
 lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
index 7e8095c..537beeb 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
@@ -301,7 +301,8 @@ vfio_mp_sync_thread(void __rte_unused * arg)
 				vfio_mp_sync_send_request(conn_sock, SOCKET_ERR);
 			else
 				vfio_mp_sync_send_fd(conn_sock, fd);
-			close(fd);
+			if (fd >= 0)
+				close(fd);
 			break;
 		case SOCKET_REQ_GROUP:
 			/* wait for group number */
-- 
2.7.4