[PATCH 07/10] vsock/loopback: implement copy_peercred()

[Marc-André Lureau]

Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
---
 net/vmw_vsock/vsock_loopback.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index 169a8cf65b39..59317baa4e5c 100644
--- a/net/vmw_vsock/vsock_loopback.c
+++ b/net/vmw_vsock/vsock_loopback.c
@@ -41,6 +41,12 @@ static int vsock_loopback_send_pkt(struct virtio_vsock_pkt *pkt)
 	return len;
 }
 
+static void vsock_loopback_copy_peercred(struct sock *sk, struct virtio_vsock_pkt *pkt)
+{
+	/* on vsock loopback, set both peers by swaping the creds */
+	sock_swap_peercred(sk, sk_vsock(pkt->vsk));
+}
+
 static int vsock_loopback_cancel_pkt(struct vsock_sock *vsk)
 {
 	struct vsock_loopback *vsock = &the_vsock_loopback;
@@ -110,6 +116,7 @@ static struct virtio_transport loopback_transport = {
 	},
 
 	.send_pkt = vsock_loopback_send_pkt,
+	.copy_peercred = vsock_loopback_copy_peercred,
 };
 
 static bool vsock_loopback_seqpacket_allow(u32 remote_cid)
-- 
2.33.0.721.g106298f7f9