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authorBert Karwatzki <spasswolf@web.de>2024-08-12 13:45:41 +0300
committerKalle Valo <kvalo@kernel.org>2024-08-13 12:48:56 +0300
commit479ffee68d59c599f8aed8fa2dcc8e13e7bd13c3 (patch)
treec835ae2837945e49dc4b234e1035d74647345c2e
parent2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1 (diff)
downloadlinux-479ffee68d59c599f8aed8fa2dcc8e13e7bd13c3.tar.xz
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: 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
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7921/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 1bab93d049df..23b228804289 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -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;