| From 63d8c717443332fe21313e30e2301c5c9d8a4eb9 Mon Sep 17 00:00:00 2001 |
| From: Shayne Chen <shayne.chen@mediatek.com> |
| Date: Thu, 26 Oct 2023 17:27:43 +0800 |
| Subject: [PATCH 2010/2032] mtk: wifi: mt76: mt7996: do not report netdev stats |
| on monitor vif |
| |
| This fixes the following NULL pointer crash when enabling monitor mode: |
| [ 205.593158] Call trace: |
| [ 205.595597] mt7996_mcu_rx_event+0x4a0/0x6e8 [mt7996e] |
| [ 205.600725] mt7996_queue_rx_skb+0x6e4/0xfa0 [mt7996e] |
| [ 205.605851] mt76_dma_rx_poll+0x384/0x420 [mt76] |
| [ 205.610459] __napi_poll+0x38/0x1c0 |
| [ 205.613935] napi_threaded_poll+0x80/0xe8 |
| [ 205.617934] kthread+0x124/0x128 |
| |
| Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> |
| --- |
| mt7996/mcu.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| diff --git a/mt7996/mcu.c b/mt7996/mcu.c |
| index 5d19d6fc..ea22aa41 100644 |
| --- a/mt7996/mcu.c |
| +++ b/mt7996/mcu.c |
| @@ -537,6 +537,9 @@ static inline void __mt7996_stat_to_netdev(struct mt76_phy *mphy, |
| drv_priv); |
| wdev = ieee80211_vif_to_wdev(vif); |
| |
| + if (vif->type == NL80211_IFTYPE_MONITOR) |
| + return; |
| + |
| dev_sw_netstats_tx_add(wdev->netdev, tx_packets, tx_bytes); |
| dev_sw_netstats_rx_add(wdev->netdev, rx_packets, rx_bytes); |
| } |
| -- |
| 2.18.0 |
| |