6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ma Ke <make24@xxxxxxxxxxx>
commit f503ae90c7355e8506e68498fe84c1357894cd5b upstream.
Fix the NULL pointer dereference in mt7996_mcu_sta_bfer_he
routine adding an sta interface to the mt7996 driver.
Found by code review.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
Link: https://patch.msgid.link/20240813081242.3991814-1-make24@xxxxxxxxxxx
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
@@ -1300,6 +1300,9 @@ mt7996_mcu_sta_bfer_he(struct ieee80211_
u8 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map);
u8 snd_dim, sts;
+ if (!vc)
+ return;
+
bf->tx_mode = MT_PHY_TYPE_HE_SU;
mt7996_mcu_sta_sounding_rate(bf);
