From: Jakub Kicinski <kuba@kernel.org>
To: Jeremy Kerr <jk@codeconstruct.com.au>
Cc: Andrew Lunn <andrew@lunn.ch>, Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Joel Stanley <joel@jms.id.au>,
Jacky Chou <jacky_chou@aspeedtech.com>,
Jacob Keller <jacob.e.keller@intel.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH net 1/2] net: ethernet: ftgmac100: prevent use after free on unregister when using NCSI
Date: Tue, 29 Oct 2024 15:36:19 -0700 [thread overview]
Message-ID: <20241029153619.1743f07e@kernel.org> (raw)
In-Reply-To: <0123d308bb8577e7ccb5d99c504cec389ba8fe15.camel@codeconstruct.com.au>
On Tue, 29 Oct 2024 12:32:53 +0800 Jeremy Kerr wrote:
> As the ordering in ftgmac100_remove() is:
>
>
> if (priv->ndev)
> ncsi_unregister_dev(priv->ndev);
> unregister_netdev(netdev);
>
> which, is (I assume intentionally) symmetric with the _probe, which
> does:
>
> priv->ndev = ncsi_register_dev(netdev, ftgmac100_ncsi_handler);
>
> /* ... */
>
> register_netdev(netdev)
To be clear - symmetric means mirror image.
I agree with Andrew.
next prev parent reply other threads:[~2024-10-29 22:36 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-28 4:54 [PATCH net 0/2] net: ethernet: ftgmac100: fixes for ncsi/phy handling on device remove Jeremy Kerr
2024-10-28 4:54 ` [PATCH net 1/2] net: ethernet: ftgmac100: prevent use after free on unregister when using NCSI Jeremy Kerr
2024-10-28 18:33 ` Jacob Keller
2024-10-28 20:15 ` Andrew Lunn
2024-10-29 4:32 ` Jeremy Kerr
2024-10-29 12:37 ` Andrew Lunn
2024-10-29 14:10 ` Jeremy Kerr
2024-10-29 22:36 ` Jakub Kicinski [this message]
2024-10-30 0:29 ` Jeremy Kerr
2024-10-30 2:58 ` Jeremy Kerr
2024-10-30 9:02 ` Sam Mendoza-Jonas
2024-10-28 4:54 ` [PATCH net 2/2] net: ethernet: ftgmac100: fix NULL phy usage on device remove Jeremy Kerr
2024-10-28 5:58 ` 回覆: " Jacky Chou
2024-10-28 18:34 ` Jacob Keller
2024-10-28 20:23 ` Andrew Lunn
2024-10-29 4:36 ` Jeremy Kerr
2024-10-29 12:41 ` Andrew Lunn
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