[alsa-devel] [PATCH 3/3] sound/soc/soc-core.c: drop kfree of devm_kzalloc's data

Mark Brown broonie at opensource.wolfsonmicro.com
Sat Aug 4 16:32:04 CEST 2012

On Sat, Aug 04, 2012 at 02:00:32PM +0200, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall at lip6.fr>
> Using kfree to free data allocated with devm_kzalloc causes double frees.
> The semantic patch that fixes this problem is as follows:
> (http://coccinelle.lip6.fr/)

Might it make more sense to devm_kfree() them?  If we don't expect to
immediately abort driver instantiation it'll save having them lying
around for the entire lifetime of the device even if they're not
strictly leaked.

More information about the Alsa-devel mailing list