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wireless-drivers fixes for 4.11

Browse Source 
iwlwifi
 
 * an RCU fix
 * a fix for a potential out-of-bounds access crash
 * a fix for IBSS which has been broken since DQA was enabled
 
 rtlwifi
 
 * fix scheduling while atomic regression
 
 brcmfmac
 
 * fix use-after-free bug found by KASAN
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Merge tag 'wireless-drivers-for-davem-2017-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
wireless-drivers fixes for 4.11

iwlwifi

* an RCU fix
* a fix for a potential out-of-bounds access crash
* a fix for IBSS which has been broken since DQA was enabled

rtlwifi

* fix scheduling while atomic regression

brcmfmac

* fix use-after-free bug found by KASAN
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-04-04 10:28:38 -07:00
commit 2f5e9f8d98
7 changed files with 25 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
View File

@ -2238,14 +2238,16 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
struct brcmf_p2p_info *p2p = &cfg->p2p;
struct brcmf_cfg80211_vif *vif;
enum nl80211_iftype iftype;
bool wait_for_disable = false;
int err;
brcmf_dbg(TRACE, "delete P2P vif\n");
vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
iftype = vif->wdev.iftype;
brcmf_cfg80211_arm_vif_event(cfg, vif);
switch (vif->wdev.iftype) {
switch (iftype) {
case NL80211_IFTYPE_P2P_CLIENT:
if (test_bit(BRCMF_VIF_STATUS_DISCONNECTING, &vif->sme_state))
wait_for_disable = true;
@ -2275,7 +2277,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
BRCMF_P2P_DISABLE_TIMEOUT);
err = 0;
if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) {
if (iftype != NL80211_IFTYPE_P2P_DEVICE) {
brcmf_vif_clear_mgmt_ies(vif);
err = brcmf_p2p_release_p2p_if(vif);
}
@ -2291,7 +2293,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
brcmf_remove_interface(vif->ifp, true);
brcmf_cfg80211_arm_vif_event(cfg, NULL);
if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE)
if (iftype != NL80211_IFTYPE_P2P_DEVICE)
p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL;
return err;

2
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
View File

@ -1056,6 +1056,8 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
if (ret)
return ret;
if (count == 0)
return 0;
iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf,
(count - 1), NULL);

3
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -216,7 +216,8 @@ u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif)
qmask |= BIT(vif->hw_queue[ac]);
}
if (vif->type == NL80211_IFTYPE_AP)
if (vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_ADHOC)
qmask |= BIT(vif->cab_queue);
return qmask;

2
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -2401,7 +2401,7 @@ void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
return;
rcu_read_lock();
sta = mvm->fw_id_to_mac_id[notif->sta_id];
sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]);
if (WARN_ON(IS_ERR_OR_NULL(sta))) {
rcu_read_unlock();
return;

9
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
View File

@ -1806,7 +1806,8 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
iwl_mvm_get_wd_timeout(mvm, vif, false, false);
int queue;
if (vif->type == NL80211_IFTYPE_AP)
if (vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_ADHOC)
queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
else if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
@ -1837,7 +1838,8 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
* enabled-cab_queue to the mask)
*/
if (iwl_mvm_is_dqa_supported(mvm) &&
vif->type == NL80211_IFTYPE_AP) {
(vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_ADHOC)) {
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = IWL_MVM_TX_FIFO_MCAST,
.sta_id = mvmvif->bcast_sta.sta_id,
@ -1862,7 +1864,8 @@ static void iwl_mvm_free_bcast_sta_queues(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
if (vif->type == NL80211_IFTYPE_AP)
if (vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_ADHOC)
iwl_mvm_disable_txq(mvm, vif->cab_queue, vif->cab_queue,
IWL_MAX_TID_COUNT, 0);

7
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
View File

@ -506,6 +506,7 @@ static int iwl_mvm_get_ctrl_vif_queue(struct iwl_mvm *mvm,
switch (info->control.vif->type) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_ADHOC:
/*
* Handle legacy hostapd as well, where station may be added
* only after assoc. Take care of the case where we send a
@ -517,7 +518,8 @@ static int iwl_mvm_get_ctrl_vif_queue(struct iwl_mvm *mvm,
if (info->hw_queue == info->control.vif->cab_queue)
return info->hw_queue;
WARN_ONCE(1, "fc=0x%02x", le16_to_cpu(fc));
WARN_ONCE(info->control.vif->type != NL80211_IFTYPE_ADHOC,
"fc=0x%02x", le16_to_cpu(fc));
return IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
case NL80211_IFTYPE_P2P_DEVICE:
if (ieee80211_is_mgmt(fc))
@ -584,7 +586,8 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
iwl_mvm_vif_from_mac80211(info.control.vif);
if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
info.control.vif->type == NL80211_IFTYPE_AP) {
info.control.vif->type == NL80211_IFTYPE_AP ||
info.control.vif->type == NL80211_IFTYPE_ADHOC) {
sta_id = mvmvif->bcast_sta.sta_id;
queue = iwl_mvm_get_ctrl_vif_queue(mvm, &info,
hdr->frame_control);

6
drivers/net/wireless/realtek/rtlwifi/base.c
View File

@ -1742,12 +1742,14 @@ void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val)
unsigned long flags;
struct rtl_c2hcmd *c2hcmd;
c2hcmd = kmalloc(sizeof(*c2hcmd), GFP_KERNEL);
c2hcmd = kmalloc(sizeof(*c2hcmd),
in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
if (!c2hcmd)
goto label_err;
c2hcmd->val = kmalloc(len, GFP_KERNEL);
c2hcmd->val = kmalloc(len,
in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
if (!c2hcmd->val)
goto label_err2;