Re: 9pfs double kfree

[Pekka Enberg]

On 3/6/06, Dave Jones <davej@xxxxxxxxxx> 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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