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wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()

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mt76_connac_get_he_phy_cap routine can theoretically return NULL so
check cap pointer before dereferencing it.

Fixes: c948b5da6bbec ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/20260621-mt76_connac_get_he_phy_cap-fix-v1-2-ed4ccf7a0363@kernel.org
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2026-07-21 12:39:16 +02:00
committed by Felix Fietkau
parent 96c2311712
commit 3a95f5d6c8
1 changed files with 2 additions and 0 deletions
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mt7925/mcu.c
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@@ -2810,6 +2810,8 @@ mt7925_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_bss_conf *link_conf,
struct tlv *tlv;
cap = mt76_connac_get_he_phy_cap(phy->mt76, link_conf->vif);
if (!cap)
return;
tlv = mt76_connac_mcu_add_tlv(skb, UNI_BSS_INFO_HE_BASIC, sizeof(*he));