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Message-ID: <20221201091722.p7fth4vkbbpq2zx4@sgarzare-redhat>
Date: Thu, 1 Dec 2022 10:17:22 +0100
From: Stefano Garzarella <sgarzare@...hat.com>
To: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
Cc: "David S. Miller" <davem@...emloft.net>,
"edumazet@...gle.com" <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
"kys@...rosoft.com" <kys@...rosoft.com>,
"haiyangz@...rosoft.com" <haiyangz@...rosoft.com>,
"wei.liu@...nel.org" <wei.liu@...nel.org>,
Dexuan Cui <decui@...rosoft.com>,
Bryan Tan <bryantan@...are.com>,
Vishnu Dasa <vdasa@...are.com>,
Krasnov Arseniy <oxffffaa@...il.com>,
Bobby Eshleman <bobby.eshleman@...il.com>,
Bobby Eshleman <bobby.eshleman@...edance.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"virtualization@...ts.linux-foundation.org"
<virtualization@...ts.linux-foundation.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
kernel <kernel@...rdevices.ru>
Subject: Re: [RFC PATCH v2 1/6] vsock: return errors other than -ENOMEM to
socket
On Fri, Nov 25, 2022 at 05:03:06PM +0000, Arseniy Krasnov wrote:
>From: Bobby Eshleman <bobby.eshleman@...edance.com>
>
>This removes behaviour, where error code returned from any
>transport was always switched to ENOMEM.
>
>Signed-off-by: Bobby Eshleman <bobby.eshleman@...edance.com>
>Signed-off-by: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
>---
> net/vmw_vsock/af_vsock.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
This patch LGTM, but I would move after the 2 patches that change vmci
and hyperv transports.
First we should fix the transports by returning the error we think is
right, and then expose it to the user.
Thanks,
Stefano
>
>diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
>index 884eca7f6743..61ddab664c33 100644
>--- a/net/vmw_vsock/af_vsock.c
>+++ b/net/vmw_vsock/af_vsock.c
>@@ -1862,8 +1862,9 @@ static int vsock_connectible_sendmsg(struct socket *sock, struct msghdr *msg,
> written = transport->stream_enqueue(vsk,
> msg, len - total_written);
> }
>+
> if (written < 0) {
>- err = -ENOMEM;
>+ err = written;
> goto out_err;
> }
>
>--
>2.25.1
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