Commit 479ffee6 authored by Bert Karwatzki's avatar Bert Karwatzki Committed by Kalle Valo
Browse files

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



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: default avatarBert Karwatzki <spasswolf@web.de>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20240812104542.80760-1-spasswolf@web.de
parent 2ad4e1ad

drivers/net/wireless/mediatek/mt76/mt7921/main.c

+1 −1
Original line number Diff line number Diff line
@@ -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;