Re: [RFC PATCH v4 1/3] vsock/vmci: convert VMCI error code to -ENOMEM on receive
From: Stefano Garzarella
Date: Mon Apr 03 2023 - 07:16:31 EST
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