From: David Miller <davem@davemloft.net>
To: haiyangz@microsoft.com
Cc: netdev@vger.kernel.org, kys@microsoft.com, olaf@aepfle.de,
jasowang@redhat.com, linux-kernel@vger.kernel.org,
driverdev-devel@linuxdriverproject.org
Subject: Re: [PATCH net-next] hv_netvsc: Fix race condition on Multi-Send Data field
Date: Mon, 14 Dec 2015 00:02:22 -0500 (EST) [thread overview]
Message-ID: <20151214.000222.959007472004329129.davem@davemloft.net> (raw)
In-Reply-To: <1449778775-14404-1-git-send-email-haiyangz@microsoft.com>
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Thu, 10 Dec 2015 12:19:35 -0800
> In commit 2a04ae8acb14 ("hv_netvsc: remove locking in netvsc_send()"), the
> locking for MSD (Multi-Send Data) field was removed. This could cause a
> race condition between RNDIS control messages and data packets processing,
> because these two types of traffic are not synchronized.
> This patch fixes this issue by sending control messages out directly
> without reading MSD field.
>
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Applied.
prev parent reply other threads:[~2015-12-14 5:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-10 20:19 Haiyang Zhang
2015-12-11 12:34 ` Vitaly Kuznetsov
2015-12-11 13:52 ` Vitaly Kuznetsov
2015-12-11 15:42 ` Haiyang Zhang
2015-12-11 16:00 ` KY Srinivasan
2015-12-14 5:02 ` David Miller [this message]
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