Re: [PATCH] make mempool_destroy resilient against NULL pointers.

[Andrew Morton]

Jesper Juhl <juhl-lkml@xxxxxx> wrote:
>
> 
> General rule (as I understand it) is that functions that free resources 
> should handle being passed NULL pointers - mempool_destroy() will 
> currently explode if passed a NULL pointer, the patch below makes it safe 
> to pass it NULL.

The best response to mempool_destroy(0) is an oops.  There's no legitimate
reason for doing it.
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