diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index 6cb0d33..ce22cc8 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c
@@ -300,7 +300,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
 		mwifiex_dbg(adapter, ERROR, "data: -EBUSY is returned\n");
 		break;
 	case -1:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		mwifiex_dbg(adapter, ERROR, "%s: host_to_card failed: %#x\n",
 			    __func__, ret);
@@ -308,7 +308,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
 		mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);
 		return 0;
 	case -EINPROGRESS:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		break;
 	case 0:
diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c
index 355ac59..7a4d5f4 100644
--- a/drivers/net/wireless/mwifiex/sta_tx.c
+++ b/drivers/net/wireless/mwifiex/sta_tx.c
@@ -174,6 +174,7 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags)
 	local_tx_pd->bss_type = priv->bss_type;
 
 	if (adapter->iface_type == MWIFIEX_USB) {
+		adapter->data_sent = true;
 		ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_USB_EP_DATA,
 						   skb, NULL);
 	} else {
@@ -191,7 +192,8 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags)
 		adapter->dbg.num_tx_host_to_card_failure++;
 		break;
 	case -1:
-		adapter->data_sent = false;
+		if (adapter->iface_type == MWIFIEX_USB)
+			adapter->data_sent = false;
 		dev_kfree_skb_any(skb);
 		mwifiex_dbg(adapter, ERROR,
 			    "%s: host_to_card failed: ret=%d\n",
@@ -206,6 +208,8 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags)
 		adapter->tx_lock_flag = true;
 		break;
 	case -EINPROGRESS:
+		if (adapter->iface_type == MWIFIEX_USB)
+			adapter->data_sent = false;
 		adapter->tx_lock_flag = true;
 		break;
 	default:
diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c
index 98f097d..6ef030a 100644
--- a/drivers/net/wireless/mwifiex/txrx.c
+++ b/drivers/net/wireless/mwifiex/txrx.c
@@ -142,7 +142,7 @@ int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 		mwifiex_dbg(adapter, ERROR, "data: -EBUSY is returned\n");
 		break;
 	case -1:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		mwifiex_dbg(adapter, ERROR,
 			    "mwifiex_write_data_async failed: 0x%X\n",
@@ -151,7 +151,7 @@ int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 		mwifiex_write_data_complete(adapter, skb, 0, ret);
 		break;
 	case -EINPROGRESS:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		break;
 	case 0:
@@ -222,7 +222,7 @@ static int mwifiex_host_to_card(struct mwifiex_adapter *adapter,
 		mwifiex_dbg(adapter, ERROR, "data: -EBUSY is returned\n");
 		break;
 	case -1:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		mwifiex_dbg(adapter, ERROR,
 			    "mwifiex_write_data_async failed: 0x%X\n", ret);
@@ -230,7 +230,7 @@ static int mwifiex_host_to_card(struct mwifiex_adapter *adapter,
 		mwifiex_write_data_complete(adapter, skb, 0, ret);
 		break;
 	case -EINPROGRESS:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		break;
 	case 0:
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 8e30fb3..8a3f59e 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -1356,14 +1356,14 @@ mwifiex_send_processed_packet(struct mwifiex_private *priv,
 				       ra_list_flags);
 		break;
 	case -1:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		mwifiex_dbg(adapter, ERROR, "host_to_card failed: %#x\n", ret);
 		adapter->dbg.num_tx_host_to_card_failure++;
 		mwifiex_write_data_complete(adapter, skb, 0, ret);
 		break;
 	case -EINPROGRESS:
-		if (adapter->iface_type != MWIFIEX_PCIE)
+		if (adapter->iface_type == MWIFIEX_USB)
 			adapter->data_sent = false;
 		break;
 	case 0:
