[PATCH ath-next v3 3/4] wifi: ath12k: Fix memory leak during extended skb allocation

[Vasanthakumar Thiagarajan]

On 4/11/2025 11:31 AM, P Praneesh wrote:
> In ath12k_dp_tx(), memory allocated for extended skb is not freed
> properly, causing a memory leak even when the host receives tx
> completion for those skbs. Fix this issue by storing skb_ext_desc
> in the host tx descriptor and using this skb_ext_desc field during
> completion or during ath12k_dp_cc_cleanup().
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Signed-off-by: P Praneesh <praneesh.p at oss.qualcomm.com>

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