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-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c5
-rw-r--r--drivers/net/wireless/mwifiex/init.c14
-rw-r--r--drivers/net/wireless/mwifiex/main.c8
-rw-r--r--drivers/net/wireless/mwifiex/scan.c25
4 files changed, 42 insertions, 10 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 60461325dff8..0a067bd0222f 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1828,6 +1828,11 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
priv->scan_request = request;
+ if (priv->user_scan_cfg) {
+ dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
+ return -EBUSY;
+ }
+
priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
GFP_KERNEL);
if (!priv->user_scan_cfg) {
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index b5d37a8caa09..37f2d957bbf0 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -84,10 +84,16 @@ static void scan_delay_timer_fn(unsigned long data)
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
if (priv->user_scan_cfg) {
- dev_dbg(priv->adapter->dev,
- "info: %s: scan aborted\n", __func__);
- cfg80211_scan_done(priv->scan_request, 1);
- priv->scan_request = NULL;
+ if (priv->scan_request) {
+ dev_dbg(priv->adapter->dev,
+ "info: aborting scan\n");
+ cfg80211_scan_done(priv->scan_request, 1);
+ priv->scan_request = NULL;
+ } else {
+ dev_dbg(priv->adapter->dev,
+ "info: scan already aborted\n");
+ }
+
kfree(priv->user_scan_cfg);
priv->user_scan_cfg = NULL;
}
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index eb22dd248d54..1df767bc8b6e 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -472,6 +472,14 @@ mwifiex_open(struct net_device *dev)
static int
mwifiex_close(struct net_device *dev)
{
+ struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+
+ if (priv->scan_request) {
+ dev_dbg(priv->adapter->dev, "aborting scan on ndo_stop\n");
+ cfg80211_scan_done(priv->scan_request, 1);
+ priv->scan_request = NULL;
+ }
+
return 0;
}
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 05965267cc27..32b79ddd774b 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1768,16 +1768,29 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
}
if (priv->user_scan_cfg) {
- dev_dbg(priv->adapter->dev,
- "info: %s: sending scan results\n", __func__);
- cfg80211_scan_done(priv->scan_request, 0);
- priv->scan_request = NULL;
+ if (priv->scan_request) {
+ dev_dbg(priv->adapter->dev,
+ "info: notifying scan done\n");
+ cfg80211_scan_done(priv->scan_request, 0);
+ priv->scan_request = NULL;
+ } else {
+ dev_dbg(priv->adapter->dev,
+ "info: scan already aborted\n");
+ }
+
kfree(priv->user_scan_cfg);
priv->user_scan_cfg = NULL;
}
} else {
- if (!mwifiex_wmm_lists_empty(adapter) &&
- (priv->scan_request && (priv->scan_request->flags &
+ if (priv->user_scan_cfg && !priv->scan_request) {
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
+ flags);
+ adapter->scan_delay_cnt = MWIFIEX_MAX_SCAN_DELAY_CNT;
+ mod_timer(&priv->scan_delay_timer, jiffies);
+ dev_dbg(priv->adapter->dev,
+ "info: %s: triggerring scan abort\n", __func__);
+ } else if (!mwifiex_wmm_lists_empty(adapter) &&
+ (priv->scan_request && (priv->scan_request->flags &
NL80211_SCAN_FLAG_LOW_PRIORITY))) {
spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
flags);