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Date:   Mon, 3 Apr 2023 13:15:35 +0200
From:   Stefano Garzarella <sgarzare@redhat.com>
To:     Arseniy Krasnov <avkrasnov@sberdevices.ru>
Cc:     Stefan Hajnoczi <stefanha@redhat.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Bobby Eshleman <bobby.eshleman@bytedance.com>,
        Bryan Tan <bryantan@vmware.com>,
        Vishnu Dasa <vdasa@vmware.com>, kvm@vger.kernel.org,
        virtualization@lists.linux-foundation.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, kernel@sberdevices.ru,
        oxffffaa@gmail.com, pv-drivers@vmware.com
Subject: Re: [RFC PATCH v4 2/3] vsock: return errors other than -ENOMEM to
 socket
Message-ID: <veo5rzjqzzdamfml5hx2ycwgsbflv7l62trdicmdqcivklarq2@p5wiwzn35tea>
References: <5440aa51-8a6c-ac9f-9578-5bf9d66217a5@sberdevices.ru>
 <7715fd7f-1c50-7202-03c7-9d17c7f63cab@sberdevices.ru>
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In-Reply-To: <7715fd7f-1c50-7202-03c7-9d17c7f63cab@sberdevices.ru>
Precedence: bulk

On Sun, Apr 02, 2023 at 09:16:46PM +0300, Arseniy Krasnov wrote:
>This removes behaviour, where error code returned from any transport
>was always switched to ENOMEM. This works in the same way as:
>commit
>c43170b7e157 ("vsock: return errors other than -ENOMEM to socket"),
>but for receive calls.
>
>Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
>---
> net/vmw_vsock/af_vsock.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

LGTM!

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>

>
>diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
>index 5f2dda35c980..413407bb646c 100644
>--- a/net/vmw_vsock/af_vsock.c
>+++ b/net/vmw_vsock/af_vsock.c
>@@ -2043,7 +2043,7 @@ static int __vsock_stream_recvmsg(struct sock *sk, struct msghdr *msg,
>
> 		read = transport->stream_dequeue(vsk, msg, len - copied, flags);
> 		if (read < 0) {
>-			err = -ENOMEM;
>+			err = read;
> 			break;
> 		}
>
>@@ -2094,7 +2094,7 @@ static int __vsock_seqpacket_recvmsg(struct sock *sk, struct msghdr *msg,
> 	msg_len = transport->seqpacket_dequeue(vsk, msg, flags);
>
> 	if (msg_len < 0) {
>-		err = -ENOMEM;
>+		err = msg_len;
> 		goto out;
> 	}
>
>-- 
>2.25.1
>