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Subject[PATCH 4.4 053/312] mwifiex: fix IBSS data path issue.
Date
From: chunfan chen <jeffc@marvell.com>

commit dc386ce76dedaeeaaf006fceb6ed8cf2e20ff026 upstream.

The port_open flag is not applicable for IBSS mode. IBSS data
path was broken when port_open flag was introduced.
This patch fixes the problem by correcting the checks.

Fixes: 5c8946330abfa4c ("mwifiex: enable traffic only when port is open")
Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/net/wireless/mwifiex/sta_event.c | 10 ++++++----
drivers/net/wireless/mwifiex/wmm.c | 6 ++++--
2 files changed, 10 insertions(+), 6 deletions(-)

--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -607,11 +607,13 @@ int mwifiex_process_sta_event(struct mwi

case EVENT_PS_AWAKE:
mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n");
- if (!adapter->pps_uapsd_mode && priv->port_open &&
+ if (!adapter->pps_uapsd_mode &&
+ (priv->port_open ||
+ (priv->bss_mode == NL80211_IFTYPE_ADHOC)) &&
priv->media_connected && adapter->sleep_period.period) {
- adapter->pps_uapsd_mode = true;
- mwifiex_dbg(adapter, EVENT,
- "event: PPS/UAPSD mode activated\n");
+ adapter->pps_uapsd_mode = true;
+ mwifiex_dbg(adapter, EVENT,
+ "event: PPS/UAPSD mode activated\n");
}
adapter->tx_lock_flag = false;
if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) {
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -475,7 +475,8 @@ mwifiex_wmm_lists_empty(struct mwifiex_a
priv = adapter->priv[i];
if (!priv)
continue;
- if (!priv->port_open)
+ if (!priv->port_open &&
+ (priv->bss_mode != NL80211_IFTYPE_ADHOC))
continue;
if (adapter->if_ops.is_port_ready &&
!adapter->if_ops.is_port_ready(priv))
@@ -1109,7 +1110,8 @@ mwifiex_wmm_get_highest_priolist_ptr(str

priv_tmp = adapter->bss_prio_tbl[j].bss_prio_cur->priv;

- if (!priv_tmp->port_open ||
+ if (((priv_tmp->bss_mode != NL80211_IFTYPE_ADHOC) &&
+ !priv_tmp->port_open) ||
(atomic_read(&priv_tmp->wmm.tx_pkts_queued) == 0))
continue;


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