[dpdk-dev] [PATCH] net/virtio-user: fix tapfds close issue

[Wenfeng Liu]

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")

Signed-off-by: Wenfeng Liu <liuwf at arraynetworks.com.cn>
---
 drivers/net/virtio/virtio_user/vhost_kernel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index 05aa6c6..68d28b1 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -365,7 +365,7 @@ struct vhost_memory_kernel {
 	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;
 		}
-- 
1.8.3.1