diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
index b34850dddf30..1db59c6946bc 100644
--- a/drivers/staging/ks7010/ks7010_sdio.c
+++ b/drivers/staging/ks7010/ks7010_sdio.c
@@ -169,23 +169,23 @@ void ks_wlan_hw_wakeup_request(struct ks_wlan_private *priv)
 	}
 }
 
-static int _ks_wlan_hw_power_save(struct ks_wlan_private *priv)
+static void _ks_wlan_hw_power_save(struct ks_wlan_private *priv)
 {
 	unsigned char rw_data;
 	int ret;
 
 	if (priv->reg.powermgt == POWMGT_ACTIVE_MODE)
-		return 0;
+		return;
 
 	if (priv->reg.operation_mode != MODE_INFRASTRUCTURE ||
 	    (priv->connect_status & CONNECT_STATUS_MASK) != CONNECT_STATUS)
-		return 0;
+		return;
 
 	if (priv->dev_state != DEVICE_STATE_SLEEP)
-		return 0;
+		return;
 
 	if (atomic_read(&priv->psstatus.status) == PS_SNOOZE)
-		return 0;
+		return;
 
 	DPRINTK(5, "\npsstatus.status=%d\npsstatus.confirm_wait=%d\npsstatus.snooze_guard=%d\ncnt_txqbody=%d\n",
 		atomic_read(&priv->psstatus.status),
@@ -193,40 +193,40 @@ static int _ks_wlan_hw_power_save(struct ks_wlan_private *priv)
 		atomic_read(&priv->psstatus.snooze_guard),
 		cnt_txqbody(priv));
 
-	if (!atomic_read(&priv->psstatus.confirm_wait) &&
-	    !atomic_read(&priv->psstatus.snooze_guard) &&
-	    !cnt_txqbody(priv)) {
-		ret = ks7010_sdio_read(priv, INT_PENDING, &rw_data,
-				       sizeof(rw_data));
-		if (ret) {
-			DPRINTK(1, " error : INT_PENDING=%02X\n", rw_data);
-			queue_delayed_work(priv->ks_wlan_hw.ks7010sdio_wq,
-					   &priv->ks_wlan_hw.rw_wq, 1);
-			return 0;
-		}
-		if (!rw_data) {
-			rw_data = GCR_B_DOZE;
-			ret = ks7010_sdio_write(priv, GCR_B, &rw_data,
-						sizeof(rw_data));
-			if (ret) {
-				DPRINTK(1, " error : GCR_B=%02X\n", rw_data);
-				queue_delayed_work(priv->ks_wlan_hw.ks7010sdio_wq,
-						   &priv->ks_wlan_hw.rw_wq, 1);
-				return 0;
-			}
-			DPRINTK(4, "PMG SET!! : GCR_B=%02X\n", rw_data);
-			atomic_set(&priv->psstatus.status, PS_SNOOZE);
-			DPRINTK(3, "psstatus.status=PS_SNOOZE\n");
-		} else {
-			queue_delayed_work(priv->ks_wlan_hw.ks7010sdio_wq,
-					   &priv->ks_wlan_hw.rw_wq, 1);
-		}
-	} else {
+	if (atomic_read(&priv->psstatus.confirm_wait) ||
+	    atomic_read(&priv->psstatus.snooze_guard) ||
+	    cnt_txqbody(priv)) {
 		queue_delayed_work(priv->ks_wlan_hw.ks7010sdio_wq,
 				   &priv->ks_wlan_hw.rw_wq, 0);
+		return;
 	}
 
-	return 0;
+	ret = ks7010_sdio_read(priv, INT_PENDING, &rw_data, sizeof(rw_data));
+	if (ret) {
+		DPRINTK(1, " error : INT_PENDING=%02X\n", rw_data);
+		queue_delayed_work(priv->ks_wlan_hw.ks7010sdio_wq,
+				   &priv->ks_wlan_hw.rw_wq, 1);
+		return;
+	}
+
+	if (!rw_data) {
+		rw_data = GCR_B_DOZE;
+		ret = ks7010_sdio_write(priv, GCR_B, &rw_data, sizeof(rw_data));
+		if (ret) {
+			DPRINTK(1, " error : GCR_B=%02X\n", rw_data);
+			queue_delayed_work(priv->ks_wlan_hw.ks7010sdio_wq,
+					   &priv->ks_wlan_hw.rw_wq, 1);
+			return;
+		}
+		DPRINTK(4, "PMG SET!! : GCR_B=%02X\n", rw_data);
+		atomic_set(&priv->psstatus.status, PS_SNOOZE);
+		DPRINTK(3, "psstatus.status=PS_SNOOZE\n");
+	} else {
+		queue_delayed_work(priv->ks_wlan_hw.ks7010sdio_wq,
+				   &priv->ks_wlan_hw.rw_wq, 1);
+	}
+
+	return;
 }
 
 int ks_wlan_hw_power_save(struct ks_wlan_private *priv)