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Subject: Re: [PATCH V3 2/9] mac80211: add multiple bssid support to interface
 handling
To:     Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Cc:     Johannes Berg <johannes@sipsolutions.net>,
        linux-wireless@vger.kernel.org, ath11k@lists.infradead.org,
        linux-wireless-owner@vger.kernel.org
References: <20200812150050.2683396-1-john@phrozen.org>
 <20200812150050.2683396-3-john@phrozen.org>
 <6e914f17bc1fcd57bfb1a0d9f68fe4ad@codeaurora.org>
From:   John Crispin <john@phrozen.org>
Message-ID: <cc1fd0b5-d12f-0cdc-f918-b8f761b18c88@phrozen.org>
Date:   Thu, 8 Oct 2020 10:06:50 +0200
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On 08.10.20 02:33, Pradeep Kumar Chitrapu wrote:
>>
>>  static int ieee80211_del_iface(struct wiphy *wiphy, struct 
>> wireless_dev *wdev)
>>  {
>> +    struct ieee80211_sub_if_data *sdata;
>> +    struct ieee80211_vif *child, *tmp;
>> +
>> +    sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
>> +    if (sdata->vif.type == NL80211_IFTYPE_AP) {
> Hi John, Observed a NULL ptr dereference error here..
>
> Thanks
> Pradeep


how did you trigger it ?

     John