On Thu, Jan 10, 2019 at 06:41:51PM +0000, Lorenzo Pieralisi wrote:
> From: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>
>
> When executed for a PCI_ROOT_COMPLEX type, iort_match_node_callback()
> expects the opaque pointer argument to be a PCI bus device. At the
> moment rc_dma_get_range() passes the PCI endpoint instead of the bus,
> and we've been lucky to have pci_domain_nr(ptr) return 0 instead of
> crashing. Pass the bus device to iort_scan_node().
>
> Fixes: 5ac65e8c8941 ("ACPI/IORT: Support address size limit for root complexes")
> Reported-by: Eric Auger <eric.auger@xxxxxxxxxx>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>
> Acked-by: Robin Murphy <robin.murphy@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
> Cc: Sudeep Holla <sudeep.holla@xxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> ---
> Will, Catalin,
>
> resending a reformatted version of this fix previously posted in [1],
> please merge it for one of the upcoming -rc.
Thanks, I'll push this out later today.
Will
