[PATCH 1/2] wifi: ath12k: fix dfs-radar and temperature event locking

[Jeff Johnson]

On 10/19/2023 4:36 AM, Johan Hovold wrote:
> The ath12k active pdevs are protected by RCU but the DFS-radar and
> temperature event handling code calling ath12k_mac_get_ar_by_pdev_id()
> was not marked as a read-side critical section.
> 
> Mark the code in question as RCU read-side critical sections to avoid
> any potential use-after-free issues.
> 
> Note that the temperature event handler looks like a place holder
> currently but would still trigger an RCU lockdep splat.
> 
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Cc: stable at vger.kernel.org	# v6.2
> Signed-off-by: Johan Hovold <johan+linaro at kernel.org>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>