From: Michal Pecio <michal.pecio@gmail.com>
To: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
Rai Amardeep <amardeep.rai@intel.com>
Subject: Re: [PATCH 23/23] usb: xhci: Add debugfs support for xHCI Port Link Info (PORTLI) register.
Date: Wed, 4 Mar 2026 17:40:13 +0100 [thread overview]
Message-ID: <20260304174013.16c2adc1.michal.pecio@gmail.com> (raw)
In-Reply-To: <d26eb83b-e67c-4319-82fb-9aba76bb2b76@linux.intel.com>
On Wed, 4 Mar 2026 16:25:45 +0200, Mathias Nyman wrote:
> I was able to fake a similar scenario by leaving out a port in
> xhci_add_in_port(). It triggered the same oops.
>
> The null pointer check you suggested below fixes it for me. Does it
> work for you?
It should, it's practically identical to my own.
I added "unused" to the printf.
prev parent reply other threads:[~2026-03-04 16:40 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-19 14:23 [PATCH 00/23] xhci features for usb-next Mathias Nyman
2025-11-19 14:23 ` [PATCH 01/23] usb: xhci: limit run_graceperiod for only usb 3.0 devices Mathias Nyman
2025-11-19 14:23 ` [PATCH 02/23] xhci: Add helper to find trb from its dma address Mathias Nyman
2025-11-19 14:23 ` [PATCH 03/23] xhci: simplify and rework trb_in_td() Mathias Nyman
2025-11-19 14:23 ` [PATCH 04/23] usb: xhci: rework xhci_decode_portsc() Mathias Nyman
2025-11-19 14:23 ` [PATCH 05/23] usb: xhci: add tracing for PORTSC register writes Mathias Nyman
2025-11-19 14:24 ` [PATCH 06/23] usb: xhci: add helper to read PORTSC register Mathias Nyman
2025-11-19 14:24 ` [PATCH 07/23] usb: xhci: add USB Port Register Set struct Mathias Nyman
2025-11-19 14:24 ` [PATCH 08/23] usb: xhci: implement " Mathias Nyman
2025-11-19 14:24 ` [PATCH 09/23] usb: xhci: Assume that endpoints halt as specified Mathias Nyman
2025-11-19 14:24 ` [PATCH 10/23] usb: xhci: Don't unchain link TRBs on quirky HCs Mathias Nyman
2025-11-19 14:24 ` [PATCH 11/23] usb: xhci: replace use of system_wq with system_percpu_wq Mathias Nyman
2025-11-19 14:24 ` [PATCH 12/23] usb: xhci: remove deprecated TODO comment Mathias Nyman
2025-11-19 14:24 ` [PATCH 13/23] usb: xhci: remove unused trace operation and argument Mathias Nyman
2025-11-19 14:24 ` [PATCH 14/23] usb: xhci: use cached HCSPARAMS1 value Mathias Nyman
2025-11-19 14:24 ` [PATCH 15/23] usb: xhci: simplify handling of Structural Parameters 1 values Mathias Nyman
2025-11-19 14:24 ` [PATCH 16/23] usb: xhci: limit number of ports to 127 Mathias Nyman
2025-11-19 14:24 ` [PATCH 17/23] usb: xhci: limit number of interrupts to 128 Mathias Nyman
2025-11-19 14:24 ` [PATCH 18/23] usb: xhci: improve xhci-caps.h comments Mathias Nyman
2025-11-19 14:24 ` [PATCH 19/23] usb: xhci: simplify Isochronous Scheduling Threshold handling Mathias Nyman
2025-11-19 14:24 ` [PATCH 20/23] usb: xhci: simplify Max Scratchpad buffer macros Mathias Nyman
2025-11-19 14:24 ` [PATCH 21/23] usb: xhci: drop xhci-caps.h dependence on xhci-ext-caps.h Mathias Nyman
2025-11-19 14:24 ` [PATCH 22/23] usb: xhci: standardize single bit-field macros Mathias Nyman
2025-11-19 14:24 ` [PATCH 23/23] usb: xhci: Add debugfs support for xHCI Port Link Info (PORTLI) register Mathias Nyman
2026-03-04 9:42 ` Michal Pecio
2026-03-04 14:25 ` Mathias Nyman
2026-03-04 16:40 ` Michal Pecio [this message]
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