linux-kernel - Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus

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Message-ID: <CAAAP30Gm56x+k92iCxG20a8ONsWgKqyYfsZXBQMuU9j9zx6b1Q@mail.gmail.com>
Date:	Mon, 29 Oct 2012 09:58:11 -0200
From:	Alexandre Pereira da Silva <aletes.xgr@...il.com>
To:	Peter Senna Tschudin <peter.senna@...il.com>
Cc:	davem@...emloft.net, stigge@...com.de, edumazet@...gle.com,
	djduanjiong@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call
 mdiobus_unregister before mdiobus_free

On Sun, Oct 28, 2012 at 2:12 PM, Peter Senna Tschudin
<peter.senna@...il.com> wrote:
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
>   ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
>   mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@...il.com>
> ---

Tested-by: Alexandre Pereira da Silva <aletes.xgr@...il.com>
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