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* fix use-after-free in mac80211 TXQs

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* fix RX STBC byte order
  * fix debugfs rename crashing due to ERR_PTR()
  * fix missing regulatory notification
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Merge tag 'mac80211-for-davem-2019-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
 * fix use-after-free in mac80211 TXQs
 * fix RX STBC byte order
 * fix debugfs rename crashing due to ERR_PTR()
 * fix missing regulatory notification
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-04-29 11:00:58 -04:00
commit 2ae7a39770
4 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/mac80211/debugfs_netdev.c
View File

@ -841,7 +841,7 @@ void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
dir = sdata->vif.debugfs_dir;
if (!dir)
if (IS_ERR_OR_NULL(dir))
return;
sprintf(buf, "netdev:%s", sdata->name);

5
net/mac80211/ht.c
View File

@ -112,8 +112,9 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
IEEE80211_HT_CAP_TX_STBC);
/* Allow user to configure RX STBC bits */
if (ht_capa_mask->cap_info & IEEE80211_HT_CAP_RX_STBC)
ht_cap->cap |= ht_capa->cap_info & IEEE80211_HT_CAP_RX_STBC;
if (ht_capa_mask->cap_info & cpu_to_le16(IEEE80211_HT_CAP_RX_STBC))
ht_cap->cap |= le16_to_cpu(ht_capa->cap_info) &
IEEE80211_HT_CAP_RX_STBC;
/* Allow user to decrease AMPDU factor */
if (ht_capa_mask->ampdu_params_info &

3
net/mac80211/iface.c
View File

@ -1908,6 +1908,9 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
list_del_rcu(&sdata->list);
mutex_unlock(&sdata->local->iflist_mtx);
if (sdata->vif.txq)
ieee80211_txq_purge(sdata->local, to_txq_info(sdata->vif.txq));
synchronize_rcu();
if (sdata->dev) {

5
net/wireless/reg.c
View File

@ -3778,10 +3778,9 @@ void wiphy_regulatory_register(struct wiphy *wiphy)
/*
* The last request may have been received before this
* registration call. Call the driver notifier if
* initiator is USER and user type is CELL_BASE.
* initiator is USER.
*/
if (lr->initiator == NL80211_REGDOM_SET_BY_USER &&
lr->user_reg_hint_type == NL80211_USER_REG_HINT_CELL_BASE)
if (lr->initiator == NL80211_REGDOM_SET_BY_USER)
reg_call_notifier(wiphy, lr);
}