linux-kernel - [RFC PATCH v2 2/6] hv_sock: always return ENOMEM in case of error

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Message-ID: <a10ffbed-848d-df8c-ec4e-ba25c4c8e3e8@sberdevices.ru>
Date:   Fri, 25 Nov 2022 17:05:53 +0000
From:   Arseniy Krasnov <AVKrasnov@...rdevices.ru>
To:     Stefano Garzarella <sgarzare@...hat.com>,
        "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>,
        Arseniy Krasnov <AVKrasnov@...rdevices.ru>,
        "Krasnov Arseniy" <oxffffaa@...il.com>,
        Bobby Eshleman <bobby.eshleman@...il.com>,
        Bobby Eshleman <bobby.eshleman@...edance.com>
CC:     "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: [RFC PATCH v2 2/6] hv_sock: always return ENOMEM in case of error

From: Bobby Eshleman <bobby.eshleman@...edance.com>

This saves original behaviour from af_vsock.c - switch any error
code returned from transport layer to ENOMEM.

Signed-off-by: Bobby Eshleman <bobby.eshleman@...edance.com>
Signed-off-by: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
---
 net/vmw_vsock/hyperv_transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
index 59c3e2697069..fbbe55133da2 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -687,7 +687,7 @@ static ssize_t hvs_stream_enqueue(struct vsock_sock *vsk, struct msghdr *msg,
 	if (bytes_written)
 		ret = bytes_written;
 	kfree(send_buf);
-	return ret;
+	return ret < 0 ? -ENOMEM : ret;
 }
 
 static s64 hvs_stream_has_data(struct vsock_sock *vsk)
-- 
2.25.1