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DateMon, 6 Mar 2006 09:56:22 +0200
From"Pekka Enberg" <>
SubjectRe: 9pfs double kfree
On 3/6/06, Dave Jones <davej@redhat.com> wrote:
> I wonder if we could get away with something as simple as..
>> #define kfree(foo) \>         __kfree(foo); \
>         foo = KFREE_POISON;
>
> ?

It's legal to call kfree() twice for NULL pointer. The above poisons
foo unconditionally which makes that case break I think.

                                Pekka
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