[PATCH] wifi: mt76: mt7921: fix null pointer access in mt792x_mac_link_bss_remove

[Kalle Valo]

Mike Lothian <mike at fireburn.co.uk> writes:

>> > this seems to be exactly the same error as I had (It can also be actively
>> > provoked by "nmcli radio wifi off"), but in my case commit 479ffee68d59c599 is
>> > enough to fix the issue. Can you please double check that your faulty kernel
>> > does not include this commit. If it does and you still get the error I can post
>> > the fix to the list.
>>
>> 479ffee68d59c599 isn't enough to fix it here, I've been applying the
>> second patch since it was pointed out
>
> Sorry I've gotten myself confused as the patches changed
>
> My kernel with
> 6557a28f3e3a54cff4f0dcdd1dfa649b26557ab3
> 479ffee68d59c599f8aed8fa2dcc8e13e7bd13c3
>
> Is enough to fix things
>
> I've been applying  the old fix on top which was only applying
>
> @@ -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)
>
> Casing it to be rebuilt each time

So just to confirm: all fixes are now applied to the tree and we don't
have any missing fixes?

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