ACK: [SRU] [H/Unstable/OEM-5.10] [PATCH v2 0/1] Fix kernel panic on Intel Bluetooth

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 5/19/21 5:59 AM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1928838
> 
> [Impact]
> Kernel panic when doing rfkill block on Intel Bluetooth controller.
> 
> [Fix]
> Ensure everything is stopped before calling the shutdown callback.
> 
> [Test]
> Keep pressing the airplane mode button. High chance that a kernel splat
> is shown and Bluetooth becomes unusable.
> 
> [Where problems could occur]
> The shutdown callback is used by other Bluetooth controller as well.
> Logically, the patch is doing the correct thing by queiscing the device
> before calling shutodwn. However, other Bluetooth drivers may depend
> it to behave correctly.
> 
> Kai-Heng Feng (1):
>    Bluetooth: Shutdown controller after workqueues are flushed or
>      cancelled
> 
>   net/bluetooth/hci_core.c | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
> 

-- 
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Tim Gardner
Canonical, Inc