linux-kernel - [PATCH net-next v2 02/15] vsock: remove vm_sockets_get_local

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Date:   Thu, 14 Nov 2019 10:57:37 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     netdev@...r.kernel.org
Cc:     Stephen Hemminger <sthemmin@...rosoft.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jorgen Hansen <jhansen@...are.com>,
        Jason Wang <jasowang@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        Sasha Levin <sashal@...nel.org>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Dexuan Cui <decui@...rosoft.com>, linux-hyperv@...r.kernel.org
Subject: [PATCH net-next v2 02/15] vsock: remove vm_sockets_get_local_cid()

vm_sockets_get_local_cid() is only used in virtio_transport_common.c.
We can replace it calling the virtio_transport_get_ops() and
using the get_local_cid() callback registered by the transport.

Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>
Reviewed-by: Jorgen Hansen <jhansen@...are.com>
Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
---
 include/linux/vm_sockets.h              |  2 --
 net/vmw_vsock/af_vsock.c                | 10 ----------
 net/vmw_vsock/virtio_transport_common.c |  2 +-
 3 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/include/linux/vm_sockets.h b/include/linux/vm_sockets.h
index 33f1a2ecd905..7dd899ccb920 100644
--- a/include/linux/vm_sockets.h
+++ b/include/linux/vm_sockets.h
@@ -10,6 +10,4 @@
 
 #include <uapi/linux/vm_sockets.h>
 
-int vm_sockets_get_local_cid(void);
-
 #endif /* _VM_SOCKETS_H */
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 1f4fde4711b6..eb13693e9d04 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -129,16 +129,6 @@ static struct proto vsock_proto = {
 static const struct vsock_transport *transport;
 static DEFINE_MUTEX(vsock_register_mutex);
 
-/**** EXPORTS ****/
-
-/* Get the ID of the local context.  This is transport dependent. */
-
-int vm_sockets_get_local_cid(void)
-{
-	return transport->get_local_cid();
-}
-EXPORT_SYMBOL_GPL(vm_sockets_get_local_cid);
-
 /**** UTILS ****/
 
 /* Each bound VSocket is stored in the bind hash table and each connected
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 828edd88488c..3edc373d2acc 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -168,7 +168,7 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
 	struct virtio_vsock_pkt *pkt;
 	u32 pkt_len = info->pkt_len;
 
-	src_cid = vm_sockets_get_local_cid();
+	src_cid = virtio_transport_get_ops()->transport.get_local_cid();
 	src_port = vsk->local_addr.svm_port;
 	if (!info->remote_cid) {
 		dst_cid	= vsk->remote_addr.svm_cid;
-- 
2.21.0