Re: [RFC PATCH v4 1/3] vsock/vmci: convert VMCI error code to -ENOMEM on receive

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On Sun, Apr 02, 2023 at 09:15:49PM +0300, Arseniy Krasnov wrote:
This adds conversion of VMCI specific error code to general -ENOMEM. It
is preparation for the next patch, which changes af_vsock.c behaviour
on receive to pass value returned from transport to the user.

Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
Reviewed-by: Vishnu Dasa <vdasa@xxxxxxxxxx>
---
net/vmw_vsock/vmci_transport.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

LGTM!

Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>


diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 36eb16a40745..a5375c97f5b0 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -1831,10 +1831,17 @@ static ssize_t vmci_transport_stream_dequeue(
	size_t len,
	int flags)
{
+	ssize_t err;
+
	if (flags & MSG_PEEK)
-		return vmci_qpair_peekv(vmci_trans(vsk)->qpair, msg, len, 0);
+		err = vmci_qpair_peekv(vmci_trans(vsk)->qpair, msg, len, 0);
	else
-		return vmci_qpair_dequev(vmci_trans(vsk)->qpair, msg, len, 0);
+		err = vmci_qpair_dequev(vmci_trans(vsk)->qpair, msg, len, 0);
+
+	if (err < 0)
+		err = -ENOMEM;
+
+	return err;
}

static ssize_t vmci_transport_stream_enqueue(
--
2.25.1


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