ath10k_wmi_event_peer_sta_ps_state_chg() uses lockdep_assert_held() to assert that ar->data_lock should be held by the caller, but neither ath10k_wmi_10_2_op_rx() nor ath10k_wmi_10_4_op_rx() acquire this lock before calling this function.
The field arsta->peer_ps_state is documented as protected by ar->data_lock in core.h, and other accessors (ath10k_peer_ps_state_disable, ath10k_dbg_sta_read_peer_ps_state) properly acquire this lock. Add spin_lock_bh()/spin_unlock_bh() around the peer_ps_state update, and remove the lockdep_assert_held() to be aligned with new locking, following the pattern used by other WMI event handlers in the driver. Signed-off-by: Ziyi Guo <[email protected]> --- v2: - Remove lockdep_assert_held() as suggested, since we are now taking the lock internally. drivers/net/wireless/ath/ath10k/wmi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index b4aad6604d6d..061a2fa8f00f 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -5289,7 +5289,6 @@ ath10k_wmi_event_peer_sta_ps_state_chg(struct ath10k *ar, struct sk_buff *skb) struct ath10k_sta *arsta; u8 peer_addr[ETH_ALEN]; - lockdep_assert_held(&ar->data_lock); ev = (struct wmi_peer_sta_ps_state_chg_event *)skb->data; ether_addr_copy(peer_addr, ev->peer_macaddr.addr); @@ -5305,7 +5304,9 @@ ath10k_wmi_event_peer_sta_ps_state_chg(struct ath10k *ar, struct sk_buff *skb) } arsta = (struct ath10k_sta *)sta->drv_priv; + spin_lock_bh(&ar->data_lock); arsta->peer_ps_state = __le32_to_cpu(ev->peer_ps_state); + spin_unlock_bh(&ar->data_lock); exit: rcu_read_unlock(); -- 2.34.1
