6.10-stable review patch. If anyone has any objections, please let me know.
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From: Ma Ke make24@iscas.ac.cn
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@vger.kernel.org Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Ma Ke make24@iscas.ac.cn Link: https://patch.msgid.link/20240813081242.3991814-1-make24@iscas.ac.cn Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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 @@ -1544,6 +1544,9 @@ 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);