virtio/vsock: remove redundant 'skb_pull()' call
authorArseniy Krasnov <avkrasnov@sberdevices.ru>
Tue, 14 Mar 2023 11:06:53 +0000 (14:06 +0300)
committerDavid S. Miller <davem@davemloft.net>
Thu, 16 Mar 2023 17:28:23 +0000 (17:28 +0000)
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>
net/vmw_vsock/virtio_transport_common.c

index 618680fd9906feb9a6c7a177cc0ef8ed3871b030..9a411475e2010bcc492077ce1d38fd985eb69052 100644 (file)
@@ -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);