diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index b9f7b3e6912db71e186680513cada3d79dc60109..aa619186d9b65eef4b60f710e1b8aa4c212f32c1 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 12ceea47b4b447e7986a93f9d672e1ea47d01f4a..92e57f653a3b1b5841343b8c3703a4a23a3b6cc9 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