Re: [stable] [PATCH] sbp2: fix check of return value of hpsb_allocate_and_register_addrspace

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Michael Tokarev <[email protected]> writes:

> Stefan Richter wrote:
>> Chris Wright wrote:
>>> * Stefan Richter ([email protected]) wrote:
>> ....
>>>> +++ linux-2.6.17-rc5/drivers/ieee1394/sbp2.c    2006-06-03
>>>> 01:54:23.000000000 +0200
>>>> @@ -845,7 +845,7 @@ static struct scsi_id_instance_data *sbp
>>>>             &sbp2_highlevel, ud->ne->host, &sbp2_ops,
>>>>             sizeof(struct sbp2_status_block), sizeof(quadlet_t),
>>>>             0x010000000000ULL, CSR1212_ALL_SPACE_END);
>>>> -    if (!scsi_id->status_fifo_addr) {
>>>> +    if (scsi_id->status_fifo_addr == ~0ULL) {
>
> Umm.  Can this ~0ULL constant be #define'd to something?
> It's way too simple to mis-read it as NULL (or ~NULL whatever).

How about writing it as -1?

Andreas.

-- 
Andreas Schwab, SuSE Labs, [email protected]
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