Re: [PATCH V3] Save command pool address of Scsi_Host

[Juergen Gross]

On 08/04/2014 01:08 PM, Christoph Hellwig wrote:
> On Mon, Aug 04, 2014 at 06:26:09AM +0200, jgross@xxxxxxxx wrote:
> > From: Juergen Gross <jgross@xxxxxxxx>
> >
> > If a scsi host driver specifies .cmd_len in it's scsi_host_template, a driver's
> > private command pool is needed. scsi_find_host_cmd_pool() will locate it, but
> > scsi_alloc_host_cmd_pool() isn't saving the pool address in the host template.
> >
> > This will result in an access error when the host is removed.
> >
> > Avoid the problem by saving the address of a new allocated command pool where
> > it is expected and delete it again when the pool is destroyed.
>
> I don't really like the double pointer passing - just NULLing out the
> pointer in the caller where needed seems cleaner.

I wanted to avoid to spread this, but I don't mind doing it. V4 is
coming...


Juergen

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