[PATCH 07/10] vsock/loopback: implement copy_peercred()
From: Marc-André Lureau <hidden>
Date: 2021-10-21 12:38:21
Also in:
lkml
Subsystem:
networking [general], the rest, vm sockets (af_vsock) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Stefano Garzarella
Signed-off-by: Marc-André Lureau <redacted> --- 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)
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2.33.0.721.g106298f7f9