Re: [PATCH 12/12] edac: fix kernel panic on module unloading

[Konstantin Khlebnikov]

Alan Cox wrote:
> On Fri, 14 Dec 2012 15:03:10 +0400
> Konstantin Khlebnikov<khlebnikov@xxxxxxxxxx>  wrote:
>
> > This patch fixes use-after-free and double-free bugs in edac_mc_sysfs_exit().
> > mci_pdev has single reference and put_device() calls mc_attr_release() which
> > calls kfree(), thus following device_del() works with already released memory.
> > An another kfree() in edac_mc_sysfs_exit() releses the same memory again. Great.
>
> Patches for this were posted a while ago by Jean Delvare. See bugzilla
> 50491 as well for this.

Seems like this is different bugs, that was in "i7core_edac", this one in "edac_core"

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