[PATCH ath-next] wifi: ath12k: fix invalid access to memory

[Vasanthakumar Thiagarajan]

On 4/8/2025 10:23 AM, Sarika Sharma wrote:
> In ath12k_dp_rx_msdu_coalesce(), rxcb is fetched from skb and boolean
> is_continuation is part of rxcb.
> Currently, after freeing the skb, the rxcb->is_continuation accessed
> again which is wrong since the memory is already freed.
> This might lead use-after-free error.
> 
> Hence, fix by locally defining bool is_continuation from rxcb,
> so that after freeing skb, is_continuation can be used.
> 
> Compile tested only.
> 
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Signed-off-by: Sarika Sharma <quic_sarishar at quicinc.com>

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>