Re: [RFC PATCH v3 1/4] vsock/vmci: convert VMCI error code to -ENOMEM on send

[Vishnu Dasa]

> On Mar 30, 2023, at 1:12 PM, Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx> wrote:
> 
> !! External Email
> 
> This adds conversion of VMCI specific error code to general -ENOMEM. It
> is needed, because af_vsock.c passes error value returned from transport
> to the user, which does not expect to get VMCI_ERROR_* values.
> 
> Fixes: c43170b7e157 ("vsock: return errors other than -ENOMEM to socket")
> Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>

Thanks, looks good to me.

Reviewed-by: Vishnu Dasa <vdasa@xxxxxxxxxx>

> ---
> net/vmw_vsock/vmci_transport.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
> index 36eb16a40745..95cc4d79ba29 100644
> --- a/net/vmw_vsock/vmci_transport.c
> +++ b/net/vmw_vsock/vmci_transport.c
> @@ -1842,7 +1842,13 @@ static ssize_t vmci_transport_stream_enqueue(
>        struct msghdr *msg,
>        size_t len)
> {
> -       return vmci_qpair_enquev(vmci_trans(vsk)->qpair, msg, len, 0);
> +       ssize_t err;
> +
> +       err = vmci_qpair_enquev(vmci_trans(vsk)->qpair, msg, len, 0);
> +       if (err < 0)
> +               err = -ENOMEM;
> +
> +       return err;
> }
> 
> static s64 vmci_transport_stream_has_data(struct vsock_sock *vsk)
> --
> 2.25.1
> 
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