Re: [PATCH 1/9] drivers/mfd/88pm860x-i2c.c: introduce missing kfree
From: Mark Brown
Date: Mon Dec 26 2011 - 07:20:16 EST
On Mon, Dec 26, 2011 at 01:18:54PM +0100, Julia Lawall wrote:
> On Mon, 26 Dec 2011, Mark Brown wrote:
> >With this and probably a bunch of the other corrections in this series a
> >conversion to devm_kazlloc() would be a more complete fix as it prevents
> >people introducing similar missing cleanup paths in future. Not sure if
> >spatch can generate that automatically though...
> I saw a patch for that recently, and looked into it a little bit,
> but I wasn't sure what should be done. What are the criteria for
> using devm_kzalloc?
It's good for any allocation that lasts for the lifetime of the device -
most driver data allocated in probe() fits well, for example.
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