netdev - Re: [PATCH] net: mac802154: Fix a Tx warning check

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Date:   Mon, 27 Jun 2022 11:04:12 +0200
From:   Stefan Schmidt <stefan@...enfreihafen.org>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Alexander Aring <alex.aring@...il.com>,
        linux-wpan@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        David Girault <david.girault@...vo.com>,
        Romuald Despres <romuald.despres@...vo.com>,
        Frederic Blain <frederic.blain@...vo.com>,
        Nicolas Schodet <nico@...fr.eu.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH] net: mac802154: Fix a Tx warning check

Hello.

On 17.06.22 21:29, Miquel Raynal wrote:
> The purpose of the netif_is_down() helper was to ensure that the network
> interface used was still up when performing the transmission. What it
> actually did was to check if _all_ interfaces were up. This was not
> noticed at that time because I did not use interfaces at all before
> discussing with Alexander Aring about how to handle coordinators
> properly.
> 
> Drop the helper and call netif_running() on the right sub interface
> object directly.
> 
> Fixes: 4f790184139b ("net: mac802154: Add a warning in the slow path")
> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
> ---
>   net/mac802154/ieee802154_i.h |  8 ++++++--
>   net/mac802154/tx.c           | 31 ++++++++-----------------------
>   2 files changed, 14 insertions(+), 25 deletions(-)


This patch has been applied to the wpan-next tree and will be
part of the next pull request to net-next. Thanks!

regards
Stefan Schmidt