diff --git a/drivers/staging/wlan-ng/prism2mib.c b/drivers/staging/wlan-ng/prism2mib.c
index 5f3c7ea8ee4b..fe914b1f904b 100644
--- a/drivers/staging/wlan-ng/prism2mib.c
+++ b/drivers/staging/wlan-ng/prism2mib.c
@@ -428,7 +428,7 @@ static int prism2mib_uint32(struct mibrec *mib,
 			    struct p80211msg_dot11req_mibset *msg, void *data)
 {
 	int result;
-	u32 *uint32 = (u32 *) data;
+	u32 *uint32 = data;
 	u8 bytebuf[MIB_TMP_MAXLEN];
 	u16 *wordbuf = (u16 *) bytebuf;
 
@@ -475,7 +475,7 @@ static int prism2mib_flag(struct mibrec *mib,
 			  struct p80211msg_dot11req_mibset *msg, void *data)
 {
 	int result;
-	u32 *uint32 = (u32 *) data;
+	u32 *uint32 = data;
 	u8 bytebuf[MIB_TMP_MAXLEN];
 	u16 *wordbuf = (u16 *) bytebuf;
 	u32 flags;
@@ -533,7 +533,7 @@ static int prism2mib_wepdefaultkey(struct mibrec *mib,
 				   void *data)
 {
 	int result;
-	p80211pstrd_t *pstr = (p80211pstrd_t *) data;
+	p80211pstrd_t *pstr = data;
 	u8 bytebuf[MIB_TMP_MAXLEN];
 	u16 len;
 
@@ -660,7 +660,7 @@ static int prism2mib_fragmentationthreshold(struct mibrec *mib,
 					    struct p80211msg_dot11req_mibset *msg,
 					    void *data)
 {
-	u32 *uint32 = (u32 *) data;
+	u32 *uint32 = data;
 
 	if (!isget)
 		if ((*uint32) % 2) {
@@ -705,7 +705,7 @@ static int prism2mib_priv(struct mibrec *mib,
 			  hfa384x_t *hw,
 			  struct p80211msg_dot11req_mibset *msg, void *data)
 {
-	p80211pstrd_t *pstr = (p80211pstrd_t *) data;
+	p80211pstrd_t *pstr = data;
 
 	switch (mib->did) {
 	case DIDmib_lnx_lnxConfigTable_lnxRSNAIE:{