Re: [RFC PATCH v4 2/4] virtio/vsock: remove redundant 'skb_pull()' call

From: Stefano Garzarella
Date: Fri Mar 10 2023 - 04:11:45 EST


On Thu, Mar 09, 2023 at 11:27:02PM +0300, Arseniy Krasnov wrote:
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@xxxxxxxxxxxxxx>
---
net/vmw_vsock/virtio_transport_common.c | 1 -
1 file changed, 1 deletion(-)

Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>


diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 618680fd9906..9a411475e201 100644
--- 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);
--
2.25.1