Thierry Reding writes:
...
>
> In case of Tegra, dev actually points to the root port. Now if I read
> the above code correctly, highest_pcie_bridge will still be NULL in that
> case, which in turn will return NULL from pci_find_pcie_root_port(). But
> shouldn't it really return dev?
>
> The patch
On 2017/8/17 4:59, David Miller wrote:
> From: Bjorn Helgaas
> Date: Wed, 16 Aug 2017 15:02:37 -0500
>
>> Your fix looks right to me.
>
> Someone please submit this fix formally because this change is now in
> Linus's tree.
>
I will send it.
> Thank you.
>
> .
>
From: Bjorn Helgaas
Date: Wed, 16 Aug 2017 15:02:37 -0500
> Your fix looks right to me.
Someone please submit this fix formally because this change is now in
Linus's tree.
Thank you.
On Wed, Aug 16, 2017 at 09:33:03PM +0200, Thierry Reding wrote:
> On Tue, Aug 15, 2017 at 12:03:31PM -0500, Bjorn Helgaas wrote:
> > On Tue, Aug 15, 2017 at 11:24:48PM +0800, Ding Tianhong wrote:
> > > Eric report a oops when booting the system after applying
> > > the commit a99b646afa8a ("PCI: Di
On Tue, Aug 15, 2017 at 12:03:31PM -0500, Bjorn Helgaas wrote:
> On Tue, Aug 15, 2017 at 11:24:48PM +0800, Ding Tianhong wrote:
> > Eric report a oops when booting the system after applying
> > the commit a99b646afa8a ("PCI: Disable PCIe Relaxed..."):
> > ...
>
> > It looks like the pci_find_pcie_
From: Bjorn Helgaas
Date: Tue, 15 Aug 2017 12:03:31 -0500
> On Tue, Aug 15, 2017 at 11:24:48PM +0800, Ding Tianhong wrote:
>> Eric report a oops when booting the system after applying
>> the commit a99b646afa8a ("PCI: Disable PCIe Relaxed..."):
>> ...
>
>> It looks like the pci_find_pcie_root_po
On Tue, Aug 15, 2017 at 11:24:48PM +0800, Ding Tianhong wrote:
> Eric report a oops when booting the system after applying
> the commit a99b646afa8a ("PCI: Disable PCIe Relaxed..."):
> ...
> It looks like the pci_find_pcie_root_port() was trying to
> find the Root Port for the PCI device which is
Eric report a oops when booting the system after applying
the commit a99b646afa8a ("PCI: Disable PCIe Relaxed..."):
[4.241029] BUG: unable to handle kernel NULL pointer dereference at
0050
[4.247001] IP: pci_find_pcie_root_port+0x62/0x80
[4.253011] PGD 0
[4.253011] P4D
