linux-kernel - [PATCH net-next 10/14] hv_sock: set VMADDR_CID_HOST in the hvs_remote_addr

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Message-Id: <20191023095554.11340-11-sgarzare@redhat.com>
Date:   Wed, 23 Oct 2019 11:55:50 +0200
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     netdev@...r.kernel.org
Cc:     "Michael S. Tsirkin" <mst@...hat.com>, kvm@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Dexuan Cui <decui@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Jorgen Hansen <jhansen@...are.com>,
        Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        linux-hyperv@...r.kernel.org,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        virtualization@...ts.linux-foundation.org
Subject: [PATCH net-next 10/14] hv_sock: set VMADDR_CID_HOST in the hvs_remote_addr_init()

Remote peer is always the host, so we set VMADDR_CID_HOST as
remote CID instead of VMADDR_CID_ANY.

Reviewed-by: Dexuan Cui <decui@...rosoft.com>
Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>
Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
---
 net/vmw_vsock/hyperv_transport.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
index 0ce792a1bf6c..fc7e61765a4a 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -188,7 +188,8 @@ static void hvs_remote_addr_init(struct sockaddr_vm *remote,
 	static u32 host_ephemeral_port = MIN_HOST_EPHEMERAL_PORT;
 	struct sock *sk;
 
-	vsock_addr_init(remote, VMADDR_CID_ANY, VMADDR_PORT_ANY);
+	/* Remote peer is always the host */
+	vsock_addr_init(remote, VMADDR_CID_HOST, VMADDR_PORT_ANY);
 
 	while (1) {
 		/* Wrap around ? */
-- 
2.21.0