[PATCH ath12k-ng 9/9] wifi: ath12k: Add lockdep warn for RCU

[Ripan Deuri]

Add RCU_LOCKDEP_WARN() in following functions:

  - ath12k_dp_link_peer_to_link_sta()
  - ath12k_wifi7_dp_rx_h_mpdu()

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: Ripan Deuri <quic_rdeuri at quicinc.com>
---
 drivers/net/wireless/ath/ath12k/dp_peer.c     | 3 +++
 drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/net/wireless/ath/ath12k/dp_peer.c b/drivers/net/wireless/ath/ath12k/dp_peer.c
index 61478e66d9af..a06113bedf0d 100644
--- a/drivers/net/wireless/ath/ath12k/dp_peer.c
+++ b/drivers/net/wireless/ath/ath12k/dp_peer.c
@@ -182,6 +182,9 @@ struct ath12k_link_sta *ath12k_dp_link_peer_to_link_sta(struct ath12k_base *ab,
 	struct ath12k_sta *ahsta;
 	struct ath12k_link_sta *arsta;
 
+	RCU_LOCKDEP_WARN(!rcu_read_lock_held(),
+			 "ath12k_dp_link_peer to ath12k_link_sta called without rcu lock");
+
 	if (!peer->sta)
 		return NULL;
 
diff --git a/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c b/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c
index 87875486fb4a..d24d0f12742e 100644
--- a/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c
+++ b/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c
@@ -323,6 +323,9 @@ static void ath12k_wifi7_dp_rx_h_mpdu(struct ath12k_pdev_dp *dp_pdev,
 	struct ieee80211_rx_status *rx_status = rx_info->rx_status;
 	u32 err_bitmap = rx_info->err_bitmap;
 
+	RCU_LOCKDEP_WARN(!rcu_read_lock_held(),
+			 "dp_rx_h_mpdu called without rcu lock");
+
 	/* PN for multicast packets will be checked in mac80211 */
 	rxcb = ATH12K_SKB_RXCB(msdu);
 	rxcb->is_mcbc = rx_info->is_mcbc;
-- 
2.34.1