From: Wenfeng Liu <liuwf@arraynetworks.com.cn>
Date: Mon, 13 Mar 2017 09:33:21 +0000 (+0000)
Subject: net/virtio-user: fix tapfds close
X-Git-Tag: spdx-start~3921
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=250c99651a774d6e2d02ee90aa33a07a1ea6fc0b;p=dpdk.git

net/virtio-user: fix tapfds close

The valid tap file descriptor range should be equal or greater
than zero instead of non-zero

Fixes: e3b434818bbb ("net/virtio-user: support kernel vhost")
Cc: stable@dpdk.org

Signed-off-by: Wenfeng Liu <liuwf@arraynetworks.com.cn>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
---

diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index 05aa6c6d5c..68d28b1304 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -365,7 +365,7 @@ vhost_kernel_enable_queue_pair(struct virtio_user_dev *dev,
 	vhostfd = dev->vhostfds[pair_idx];
 
 	if (!enable) {
-		if (dev->tapfds[pair_idx]) {
+		if (dev->tapfds[pair_idx] >= 0) {
 			close(dev->tapfds[pair_idx]);
 			dev->tapfds[pair_idx] = -1;
 		}