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wifi: mt76: mt7996: fix NULL pointer dereference in mt7996_mcu_sta_bfer_he

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BugLink: https://bugs.launchpad.net/bugs/2089340

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: 98686cd216 ("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>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Ma Ke
2024-08-13 16:12:42 +08:00
committed by Mehmet Basaran
parent 1c78a8216d
commit a978144aea
1 changed files with 3 additions and 0 deletions
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drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+3
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@@ -1541,6 +1541,9 @@ mt7996_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
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);