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SubjectRe: [PATCH v2 2/5] scsi: libsas: check the lldd callback correctly
On Wed, Sep 19, 2018 at 11:32:01AM +0800, Jason Yan wrote:
> We are using lldd_port_deformed so we'd better check if lldd_port_deformed
> is NULL.
>
> After this, we can remove hisi_sas_port_deformed() because it is just a
> stub to avoid a NULL dereference caused by the wrong check.
>

The wording seems a bit odd. I'd do something like:

libsas: make the lldd_port_deformed method optional

... and remove the dummy implementation in hisi_sas.


Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

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