vsock/vmci: convert VMCI error code to -ENOMEM on receive

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@sberdevices.ru>
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 36eb16a40745d2fc07f3a8dd5c81396c20320843..a5375c97f5b000168d3519c0e5345661ef6cb110 100644 (file)
--- 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(