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wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change

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[ Upstream commit 479ffee68d ]

When disabling wifi mt7921_ipv6_addr_change() is called as a notifier.
At this point mvif->phy is already NULL so we cannot use it here.

Signed-off-by: Bert Karwatzki <spasswolf@web.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20240812104542.80760-1-spasswolf@web.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Bert Karwatzki 2024-08-12 12:45:41 +02:00 committed by Greg Kroah-Hartman
parent 4a9a1edd9c
commit 4bfee9346d
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/mediatek/mt76/mt7921/main.c
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@ -1095,7 +1095,7 @@ 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;