[PATCH 4/6] wifi: ath11k: adjust unlock sequence in ath11k_update_stats_event()
Baochen Qiang
quic_bqiang at quicinc.com
Tue Nov 12 17:56:29 PST 2024
Currently RCU lock and ar->data_lock are acquired in a sequence of
rcu_read_lock()
spin_lock_bh(&ar->data_lock)
but released in a sequence of
rcu_read_unlock()
spin_unlock_bh(&ar->data_lock)
Although there are no apparent issues with this, reorder them to
achieve symmetry.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.37
Signed-off-by: Baochen Qiang <quic_bqiang at quicinc.com>
---
drivers/net/wireless/ath/ath11k/wmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 641cc979589a..0f7df1fbaed8 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -8235,8 +8235,8 @@ static void ath11k_update_stats_event(struct ath11k_base *ab, struct sk_buff *sk
complete:
complete(&ar->fw_stats_complete);
- rcu_read_unlock();
spin_unlock_bh(&ar->data_lock);
+ rcu_read_unlock();
/* Since the stats's pdev, vdev and beacon list are spliced and reinitialised
* at this point, no need to free the individual list.
--
2.25.1
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