Re: [PATCHv2 6/6] mm/zpool: prevent zbud/zsmalloc from unloading when used

[Dan Streetman]

On Mon, Jun 23, 2014 at 5:48 PM, Andrew Morton
<akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Mon,  2 Jun 2014 18:19:46 -0400 Dan Streetman <ddstreet@xxxxxxxx> wrote:
>
>> Add try_module_get() to zpool_create_pool(), and module_put() to
>> zpool_destroy_pool().  Without module usage counting, the driver module(s)
>> could be unloaded while their pool(s) were active, resulting in an oops
>> when zpool tried to access them.
>
> Was wondering about that ;)  We may as well fold
> this fix into "mm/zpool: implement common zpool api to zbud/zsmalloc"?

Yes.  Sorry, I had this pulled out of that because I was trying to
keep the patches logically separated.  But they do need to be
together, to be safe ;-)
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