[PATCH 2/2] wifi: ath11k: fix dfs radar event locking

Jeff Johnson quic_jjohnson at quicinc.com
Thu Oct 19 08:08:12 PDT 2023


On 10/19/2023 3:42 AM, Johan Hovold wrote:
> The ath11k active pdevs are protected by RCU but the DFS radar event
> handling code calling ath11k_mac_get_ar_by_pdev_id() was not marked as a
> read-side critical section.
> 
> Mark the code in question as an RCU read-side critical section to avoid
> any potential use-after-free issues.
> 
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Cc: stable at vger.kernel.org      # 5.6
> Signed-off-by: Johan Hovold <johan+linaro at kernel.org>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>




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