netdev - RE: [PATCH] Fix tx_table init in rndis_set

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Message-ID: <MN2PR21MB1375EA1C437C0667689CA62ACA5A0@MN2PR21MB1375.namprd21.prod.outlook.com>
Date:   Wed, 11 Dec 2019 22:23:55 +0000
From:   Haiyang Zhang <haiyangz@...rosoft.com>
To:     David Miller <davem@...emloft.net>
CC:     "sashal@...nel.org" <sashal@...nel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "olaf@...fle.de" <olaf@...fle.de>, vkuznets <vkuznets@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] Fix tx_table init in rndis_set_subchannel()



> -----Original Message-----
> From: linux-hyperv-owner@...r.kernel.org <linux-hyperv-
> owner@...r.kernel.org> On Behalf Of David Miller
> Sent: Wednesday, December 11, 2019 5:22 PM
> To: Haiyang Zhang <haiyangz@...rosoft.com>
> Cc: sashal@...nel.org; linux-hyperv@...r.kernel.org; netdev@...r.kernel.org;
> KY Srinivasan <kys@...rosoft.com>; Stephen Hemminger
> <sthemmin@...rosoft.com>; olaf@...fle.de; vkuznets
> <vkuznets@...hat.com>; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH] Fix tx_table init in rndis_set_subchannel()
> 
> From: Haiyang Zhang <haiyangz@...rosoft.com>
> Date: Wed, 11 Dec 2019 13:59:03 -0800
> 
> > Host can provide send indirection table messages anytime after RSS is
> > enabled by calling rndis_filter_set_rss_param(). So the host provided
> > table values may be overwritten by the initialization in
> > rndis_set_subchannel().
> >
> > To prevent this problem, move the tx_table initialization before
> > calling rndis_filter_set_rss_param().
> >
> > Fixes: a6fb6aa3cfa9 ("hv_netvsc: Set tx_table to equal weight after
> > subchannels open")
> > Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> 
> Please format your subject lines properly.
> 
> 	[PATCH $version $GIT_TREE] $subsystem_prefix: $description
> 
> Even the Fixes: tag had the proper subsystem prefix in it.
> 
> So your next posting must be of the form:
> 
> 	[PATCH v2 net] hv_netvsc: Fix tx_table init in rndis_set_subchannel().

Will do. Thanks.