Re: [PATCH] scsi: hisi_sas: add null check before indirect pointer dereference

[John Garry]

On 22/05/2017 19:00, Gustavo A. R. Silva wrote:
> Add null check before indirectly dereferencing pointer task->lldd_task
> in statement u32 tag = slot->idx;

I don't think that this is a valid scenario, but protecting against a 
possible NULL dereference is prudent. Thanks

> Addresses-Coverity-ID: 1373843
> Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>

Reviewed-by: John Garry <john.garry@xxxxxxxxxx>