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Message-ID: <a0915a9d-ba41-5a90-0e16-40c2315f0445@sberdevices.ru>
Date: Thu, 30 Mar 2023 23:12:44 +0300
From: Arseniy Krasnov <avkrasnov@...rdevices.ru>
To: Stefan Hajnoczi <stefanha@...hat.com>,
Stefano Garzarella <sgarzare@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Bobby Eshleman <bobby.eshleman@...edance.com>,
Bryan Tan <bryantan@...are.com>, Vishnu Dasa <vdasa@...are.com>
CC: <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<kernel@...rdevices.ru>, <oxffffaa@...il.com>,
<avkrasnov@...rdevices.ru>, <pv-drivers@...are.com>
Subject: [RFC PATCH v3 1/4] vsock/vmci: convert VMCI error code to -ENOMEM on
send
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@...rdevices.ru>
---
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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