NACK[N]/Cmnt: [SRU] [PATCH 0/1] Fix NULL pointer dereference caused by Intel WiFi
Stefan Bader
stefan.bader at canonical.com
Fri Jan 12 10:23:15 UTC 2024
On 03.01.24 04:19, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/2046217
>
> [Impact]
> When iwlwifi firmware causes the WiFi NIC dropped off PCI bus on system
> resume, NULL pointer dereference occurs and the system stops working.
>
> [Fix]
> Rescan the bus in order to reprobe the device to avoid mac80211 layer
> gets messed up.
>
> [Test]
> With the fix in place, system keeps working after firmware issue occurs.
> Verified with thousand times of suspend.
>
> [Where problems could occur]
> If the firmware/hardware is really dead and beyond recoverable, the same
> process can be triggered again and again.
>
> Johannes Berg (1):
> wifi: iwlwifi: pcie: rescan bus if no parent
>
> drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
Rejected for the following reasons:
- Already included with Noble after 6.7 transition.
-Stefan
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