diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c
index e5657dc3fd51..d11b0a2259e2 100644
--- a/drivers/staging/ks7010/ks_hostif.c
+++ b/drivers/staging/ks7010/ks_hostif.c
@@ -337,12 +337,9 @@ int hostif_data_indication_wpa(struct ks_wlan_private *priv,
 		memcpy(&recv_mic[0], (priv->rxp) + ((priv->rx_size) - 8), 8);
 		priv->rx_size = priv->rx_size - 8;
 		if (auth_type > 0 && auth_type < 4) {	/* auth_type check */
-			michael_mic_function(&michael_mic,
-					     (uint8_t *)key->rx_mic_key,
-					     (uint8_t *)priv->rxp,
-					     (int)priv->rx_size,
-					     (uint8_t)0,	/* priority */
-					     (uint8_t *)michael_mic.result);
+			michael_mic_function(&michael_mic, key->rx_mic_key,
+					     priv->rxp, priv->rx_size,
+					     0,	michael_mic.result);
 		}
 		if (memcmp(michael_mic.result, recv_mic, 8) != 0) {
 			now = jiffies;
@@ -1164,11 +1161,9 @@ int hostif_data_request(struct ks_wlan_private *priv, struct sk_buff *skb)
 		} else {
 			if (priv->wpa.pairwise_suite == IW_AUTH_CIPHER_TKIP) {
 				michael_mic_function(&michael_mic,
-						     (uint8_t *)priv->wpa.key[0].tx_mic_key,
-						     (uint8_t *)&pp->data[0],
-						     (int)skb_len,
-						     (uint8_t)0,	/* priority */
-						     (uint8_t *)michael_mic.result);
+						     priv->wpa.key[0].tx_mic_key,
+						     &pp->data[0], skb_len,
+						     0,	michael_mic.result);
 				memcpy(p, michael_mic.result, 8);
 				length += 8;
 				skb_len += 8;
diff --git a/drivers/staging/ks7010/michael_mic.c b/drivers/staging/ks7010/michael_mic.c
index 6bc1b093be80..2128c8441405 100644
--- a/drivers/staging/ks7010/michael_mic.c
+++ b/drivers/staging/ks7010/michael_mic.c
@@ -110,7 +110,7 @@ static void michael_get_mic(struct michael_mic *mic, u8 *dst)
 }
 
 void michael_mic_function(struct michael_mic *mic, u8 *key,
-			  u8 *data, int len, u8 priority, u8 *result)
+			  u8 *data, unsigned int len, u8 priority, u8 *result)
 {
 	u8 pad_data[4] = { priority, 0, 0, 0 };
 	// Compute the MIC value
diff --git a/drivers/staging/ks7010/michael_mic.h b/drivers/staging/ks7010/michael_mic.h
index d33508070088..eb22fdd660d9 100644
--- a/drivers/staging/ks7010/michael_mic.h
+++ b/drivers/staging/ks7010/michael_mic.h
@@ -21,4 +21,4 @@ struct michael_mic {
 };
 
 void michael_mic_function(struct michael_mic *mic, u8 *key,
-			  u8 *data, int len, u8 priority, u8 *result);
+			  u8 *data, unsigned int len, u8 priority, u8 *result);