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wifi: mt76: mt7921: fix crash on ipv6 addr notification during vif bringup

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mvif->phy is NULL when the interface is not properly initialized yet

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2024-07-17 17:26:53 +02:00
parent e25fb9a010
commit 6585a4353a
1 changed files with 4 additions and 1 deletions
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mt7921/main.c
+4 -1
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@@ -1183,7 +1183,7 @@ static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,
struct inet6_dev *idev)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mvif->phy->dev;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct inet6_ifaddr *ifa;
struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
struct sk_buff *skb;
@@ -1206,6 +1206,9 @@ static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,
},
};
if (!mvif->phy)
return;
read_lock_bh(&idev->lock);
list_for_each_entry(ifa, &idev->addr_list, if_list) {
if (ifa->flags & IFA_F_TENTATIVE)