linux-kernel - Re: [PATCH 2/2] drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus

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Message-Id: <20121102.213659.999845508936675142.davem@davemloft.net>
Date:	Fri, 02 Nov 2012 21:36:59 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	peter.senna@...il.com
Cc:	srinivas.kandagatla@...com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/2] drivers/net/phy/mdio-bitbang.c: Call
 mdiobus_unregister before mdiobus_free

From: Peter Senna Tschudin <peter.senna@...il.com>
Date: Sun, 28 Oct 2012 17:12:01 +0100

> 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>

Applied.
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