virtio/vsock: remove redundant 'skb_pull()' call

commit 6825e6b4f8e53799d83bc39ca6ec5baed4e2adde upstream.

Since we now no longer use 'skb->len' to update credit, there is no sense
to update skbuff state, because it is used only once after dequeue to
copy data and then will be released.

Fixes: 71dc9ec9ac7d ("virtio/vsock: replace virtio_vsock_pkt with sk_buff")
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Bobby Eshleman <bobby.eshleman@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index c06d03b7d3b1ca23a574234812a57c80d372b6e5..2edda404eb205221135df75a30f023dc86dbd618 100644 (file)
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -465,7 +465,6 @@ static int virtio_transport_seqpacket_do_dequeue(struct vsock_sock *vsk,
                                        dequeued_len = err;
                                } else {
                                        user_buf_len -= bytes_to_copy;
-                                       skb_pull(skb, bytes_to_copy);
                                }
 
                                spin_lock_bh(&vvs->rx_lock);