wifi: ath12k: Add helper to free DP link peer

Introduce ath12k_dp_link_peer_free() to wrap cleanup steps required before
freeing a DP link peer. This avoids code duplication and ensures consistent
teardown across multiple call flows.

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

Signed-off-by: Pavankumar Nandeshwar <quic_pnandesh@quicinc.com>
Signed-off-by: Ripan Deuri <quic_rdeuri@quicinc.com>
Reviewed-by: Karthikeyan Periyasamy <karthikeyan.periyasamy@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20251103112111.2260639-5-quic_rdeuri@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

4 files changed, 13 insertions, 15 deletions

diff --git a/drivers/net/wireless/ath/ath12k/dp_peer.c b/drivers/net/wireless/ath/ath12k/dp_peer.c
index 8961c4635ed0..0ad01f7414cd 100644
--- a/drivers/net/wireless/ath/ath12k/dp_peer.c
+++ b/drivers/net/wireless/ath/ath12k/dp_peer.c
@@ -9,6 +9,14 @@
 #include "debug.h"
 #include "debugfs.h"
 
+void ath12k_dp_link_peer_free(struct ath12k_dp_link_peer *peer)
+{
+	list_del(&peer->list);
+
+	kfree(peer->peer_stats.rx_stats);
+	kfree(peer);
+}
+
 struct ath12k_dp_link_peer *
 ath12k_dp_link_peer_find_by_vdev_and_addr(struct ath12k_dp *dp,
 					  int vdev_id, const u8 *addr)
@@ -140,10 +148,7 @@ void ath12k_dp_link_peer_unmap_event(struct ath12k_base *ab, u16 peer_id)
 	ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "htt peer unmap vdev %d peer %pM id %d\n",
 		   peer->vdev_id, peer->addr, peer_id);
 
-	list_del(&peer->list);
-
-	kfree(peer->peer_stats.rx_stats);
-	kfree(peer);
+	ath12k_dp_link_peer_free(peer);
 	wake_up(&ab->peer_mapping_wq);
 
 exit:
diff --git a/drivers/net/wireless/ath/ath12k/dp_peer.h b/drivers/net/wireless/ath/ath12k/dp_peer.h
index f9be27d86545..20294ff09513 100644
--- a/drivers/net/wireless/ath/ath12k/dp_peer.h
+++ b/drivers/net/wireless/ath/ath12k/dp_peer.h
@@ -178,4 +178,5 @@ struct ath12k_dp_peer *ath12k_dp_peer_find_by_peerid(struct ath12k_pdev_dp *dp_p
 						     u16 peer_id);
 struct ath12k_dp_link_peer *
 ath12k_dp_link_peer_find_by_peerid(struct ath12k_pdev_dp *dp_pdev, u16 peer_id);
+void ath12k_dp_link_peer_free(struct ath12k_dp_link_peer *peer);
 #endif
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index 4972367dd1ba..c40c55344e64 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -1213,10 +1213,7 @@ void ath12k_mac_peer_cleanup_all(struct ath12k *ar)
 	synchronize_rcu();
 
 	list_for_each_entry_safe(peer, tmp, &peers, list) {
-		list_del(&peer->list);
-
-		kfree(peer->peer_stats.rx_stats);
-		kfree(peer);
+		ath12k_dp_link_peer_free(peer);
 	}
 
 	ar->num_peers = 0;
@@ -6377,10 +6374,8 @@ static void ath12k_mac_station_post_remove(struct ath12k *ar,
 		ath12k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n",
 			    vif->addr, arvif->vdev_id);
 		peer->sta = NULL;
-		list_del(&peer->list);
 
-		kfree(peer->peer_stats.rx_stats);
-		kfree(peer);
+		ath12k_dp_link_peer_free(peer);
 		ar->num_peers--;
 	}
 
diff --git a/drivers/net/wireless/ath/ath12k/peer.c b/drivers/net/wireless/ath/ath12k/peer.c
index 9c100ecea798..c2fb5bbd6cea 100644
--- a/drivers/net/wireless/ath/ath12k/peer.c
+++ b/drivers/net/wireless/ath/ath12k/peer.c
@@ -50,10 +50,7 @@ void ath12k_peer_cleanup(struct ath12k *ar, u32 vdev_id)
 		ath12k_warn(ab, "removing stale peer %pM from vdev_id %d\n",
 			    peer->addr, vdev_id);
 
-		list_del(&peer->list);
-
-		kfree(peer->peer_stats.rx_stats);
-		kfree(peer);
+		ath12k_dp_link_peer_free(peer);
 		ar->num_peers--;
 	}