From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
"David S . Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Subject: Re: [PATCH] net: phy: mdio_bus: add missing device_del() in mdiobus_register() error handling
Date: Wed, 16 Jan 2019 16:18:55 +0100 [thread overview]
Message-ID: <20190116161855.1d01e083@windsurf> (raw)
In-Reply-To: <20190116144829.GC25731@lunn.ch>
Hello,
On Wed, 16 Jan 2019 15:48:29 +0100, Andrew Lunn wrote:
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
>
> However, i wounder if it makes sense to add a label before the
> existing device_del() at the end of the function, and convert this,
> and the case above into a goto? That might scale better, avoiding the
> same issue in the future?
That's another option indeed.
Hmm, now that I looked at it, I think we should use device_unregister()
instead. device_unregister() does both device_del() and put_device().
According to the comment above device_register(), put_device() should
always be called: "Always use put_device() to give up the reference
initialized in this function instead.".
What do you think?
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2019-01-16 15:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 9:53 [PATCH] net: phy: mdio_bus: add missing device_del() in mdiobus_register() error handling Thomas Petazzoni
2019-01-16 14:48 ` Andrew Lunn
2019-01-16 15:18 ` Thomas Petazzoni [this message]
2019-01-16 15:44 ` Andrew Lunn
2019-02-11 14:31 ` Thomas Petazzoni
2019-02-15 1:23 ` Andrew Lunn
2019-01-18 19:08 ` David Miller
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