diff options
| -rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/main.h | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index b9f7b3e6912..aa619186d9b 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1502,6 +1502,12 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); + if (atomic_read(&priv->wmm.tx_pkts_queued) >= + MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) { + dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n"); + return -EBUSY; + } + priv->scan_request = request; priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 12ceea47b4b..92e57f653a3 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -91,6 +91,8 @@ enum { #define MWIFIEX_MAX_EMPTY_TX_Q_CNT 10 #define MWIFIEX_SCAN_DELAY_MSEC 20 +#define MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN 2 + #define RSN_GTK_OUI_OFFSET 2 #define MWIFIEX_OUI_NOT_PRESENT 0 |