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From: David Miller <davem@davemloft.net>
To: dan.carpenter@oracle.com
Cc: f.fainelli@gmail.com, andrew@lunn.ch, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] mdio_bus: NULL dereference on allocation error
Date: Tue, 12 Jan 2016 14:31:12 -0500 (EST)	[thread overview]
Message-ID: <20160112.143112.1804837472013389455.davem@davemloft.net> (raw)
In-Reply-To: <20160112093435.GD29804@mwanda>

From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 12 Jan 2016 12:34:36 +0300

> If bus = kzalloc() fails then we end up dereferencing bus when we do
> "bus->irq[i] = PHY_POLL;".  The code is a little simpler if we reverse
> the NULL check and return directly on failure.
> 
> Fixes: e7f4dc3536a4 ('mdio: Move allocation of interrupts into core')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied.

WARNING: multiple messages have this Message-ID (diff)
From: David Miller <davem@davemloft.net>
To: dan.carpenter@oracle.com
Cc: f.fainelli@gmail.com, andrew@lunn.ch, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] mdio_bus: NULL dereference on allocation error
Date: Tue, 12 Jan 2016 19:31:12 +0000	[thread overview]
Message-ID: <20160112.143112.1804837472013389455.davem@davemloft.net> (raw)
In-Reply-To: <20160112093435.GD29804@mwanda>

From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 12 Jan 2016 12:34:36 +0300

> If bus = kzalloc() fails then we end up dereferencing bus when we do
> "bus->irq[i] = PHY_POLL;".  The code is a little simpler if we reverse
> the NULL check and return directly on failure.
> 
> Fixes: e7f4dc3536a4 ('mdio: Move allocation of interrupts into core')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied.

  parent reply	other threads:[~2016-01-12 19:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-12  9:34 [patch] mdio_bus: NULL dereference on allocation error Dan Carpenter
2016-01-12  9:34 ` Dan Carpenter
2016-01-12 14:06 ` Andrew Lunn
2016-01-12 14:06   ` Andrew Lunn
2016-01-12 19:31 ` David Miller [this message]
2016-01-12 19:31   ` David Miller

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