From: Andrew Lunn <andrew@lunn.ch>
To: 박명훈 <mhun512@gmail.com>
Cc: Hartley Sweeten <hsweeten@visionengravers.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Ijae Kim <ae878000@gmail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH DRAFT] net: cirrus: ep93xx: fix probe error unwind
Date: Mon, 27 Apr 2026 04:35:41 +0200 [thread overview]
Message-ID: <4201a9ff-c137-4e08-85f8-32aaa6aa3836@lunn.ch> (raw)
In-Reply-To: <20260426141010.19049-1-pakmyeonghun@bagmyeonghun-ui-MacBookPro.local>
On Sun, Apr 26, 2026 at 11:10:06PM +0900, 박명훈 wrote:
> From: Myeonghun Pak <mhun512@gmail.com>
>
> ep93xx_eth_probe() uses ep93xx_eth_remove() as common error unwind
> after setting driver data. When register_netdev() fails, this calls
> unregister_netdev() for a net_device that was never registered. The
> net core treats that as a driver bug and emits WARN_ON(1).
How did you trigger the failure of register_netdev()?
Andrew
next prev parent reply other threads:[~2026-04-27 2:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-26 14:10 [PATCH DRAFT] net: cirrus: ep93xx: fix probe error unwind 박명훈
2026-04-27 2:35 ` Andrew Lunn [this message]
[not found] ` <CAGEsz8EkSB8T=D3uPzAt+1Qbh0h+-u6=1ABE13uwK5ZF=uVLkw@mail.gmail.com>
2026-04-27 14:12 ` Andrew Lunn
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