Re: [PATCH] PCI: Check parent for NULL in of_pci_bus_release_domain_nr()

[Sergey Shtylyov <s.shtylyov@auroraos.dev>]

On 1/27/26 11:39 PM, Sergey Shtylyov wrote:

> of_pci_bus_find_domain_nr() allows its parent parameter to be NULL but
> of_pci_bus_release_domain_nr() (that undoes its effect) doesn't -- that
> means it's going to blow up while calling of_get_pci_domain_nr() if the
> parent parameter indeed happens to be NULL.  Add the missing NULL check.
> 
> Found by Linux Verification Center (linuxtesting.org) with the Svace static
> analysis tool.
> 
> Fixes: c14f7ccc9f5d ("PCI: Assign PCI domain IDs by ida_alloc()")
> Signed-off-by: Sergey Shtylyov <s.shtylyov@auroraos.dev>
> ---

   Forgot to add that this patch was done against the for-linus branch of
the pci.git repo...

[...]

MBR, Sergey