Re: [PATCH] xhci: tegra: fix checked USB2 port number

From: Greg Kroah-Hartman
Date: Fri Oct 11 2024 - 04:03:49 EST


On Fri, Oct 11, 2024 at 03:22:40PM +0800, henryl wrote:
> From: Henry Lin <henryl@xxxxxxxxxx>
>
> USB2 root hub in VF may contain less port number than supported USB2
> phy number. Checking all USB2 phy number here would cause invalid
> memory access.
>
> [ 116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f
> ...
> [ 117.213640] Call trace:
> [ 117.216783] tegra_xusb_enter_elpg+0x23c/0x658
> [ 117.222021] tegra_xusb_runtime_suspend+0x40/0x68
> [ 117.227260] pm_generic_runtime_suspend+0x30/0x50
> [ 117.232847] __rpm_callback+0x84/0x3c0
> [ 117.237038] rpm_suspend+0x2dc/0x740
> [ 117.241229] pm_runtime_work+0xa0/0xb8
> [ 117.245769] process_scheduled_works+0x24c/0x478
> [ 117.251007] worker_thread+0x23c/0x328
> [ 117.255547] kthread+0x104/0x1b0
> [ 117.259389] ret_from_fork+0x10/0x20
> [ 117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)
>
> Signed-off-by: Henry Lin <henryl@xxxxxxxxxx>

What commit id does this fix? Should it be backported?

thanks,

greg k-h