diff mbox series

wifi: mt76: mt7996: fix NULL pointer dereference in mt7996_mcu_sta_bfer_eht

Message ID 20240829083026.3195359-1-make24@iscas.ac.cn
State New
Headers show
Series wifi: mt76: mt7996: fix NULL pointer dereference in mt7996_mcu_sta_bfer_eht | expand

Commit Message

Ma Ke Aug. 29, 2024, 8:30 a.m. UTC
Fix the NULL pointer dereference in mt7996_mcu_sta_bfer_eht.

Found by code review.

Cc: stable@vger.kernel.org
Fixes: ba01944adee9 ("wifi: mt76: mt7996: add EHT beamforming support")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
---
 drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index 2e4fa9f48dfb..d0fe2505ddbf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
@@ -1605,6 +1605,9 @@  mt7996_mcu_sta_bfer_eht(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 				 IEEE80211_EHT_MCS_NSS_RX) - 1;
 	u8 snd_dim, sts;
 
+	if (!vc)
+		return;
+
 	bf->tx_mode = MT_PHY_TYPE_EHT_MU;
 
 	mt7996_mcu_sta_sounding_rate(bf);