[PATCH] pmdomain: rockchip: fix domain check in rockchip_pm_add_one_domain()

[Sergey Shtylyov]

On 9/23/26 3:14 PM, Ulf Hansson wrote:

[...]

>> In rockchip_pm_add_one_domain(), there's the check (most probably for
>> the case where the "reg" prop has an unexpected value?) which doesn't
>> make much sense as the variable pd_info will be NULL iff pmu->info->
>> domain_info is NULL and the variable id is 0.  What does make sense
>> there is checking pd_info->pwr_mask and pd_info->req_mask which (as
>> seems to follow from the code) can't both be 0 for a valid domain...
>>
>> Found by Linux Verification Center (linuxtesting.org) with the Svace
>> static analysis tool.
>>
>> Fixes: 7c696693a4f5 ("soc: rockchip: power-domain: Add power domain driver")
>> Signed-off-by: Sergey Shtylyov <s.shtylyov at auroraos.dev>
> 
> Applied for next, but without the fixes tag, thanks!
> 
> Note, that I am dropping the fixes tag because if there was a real
> problem, we would require yet another fix on top to get the
> corresponding domain declaration to be correct. Yet, the patch is
> useful as is!

   I'm not sure I understand you. The patch should hopefully be
enough to detect the undefined entries (implicitly init'ed with
all 0s). What fix for the domain definitions do you have in mind,
turning the arrays into lookup tables by adding a domain ID as a
field to *struct* rockchip_domain_info?

> Kind regards
> Uffe
MBR, Sergey