staging: rtl8192e: accept const MAC address

Make set_swcam, setKey and rtllib_probe_resp parameter (MAC address)
const.
Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_cam.c

@@ -81,7 +81,7 @@ void EnableHWSecurityConfig8192(struct net_device *dev)
 }
 
 void set_swcam(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
-	       u8 *MacAddr, u8 DefaultKey, u32 *KeyContent, u8 is_mesh)
+	       const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent, u8 is_mesh)
 {
 	struct r8192_priv *priv = rtllib_priv(dev);
 	struct rtllib_device *ieee = priv->rtllib;
@@ -100,7 +100,7 @@ void set_swcam(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
 }
 
 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
-	    u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
+	    const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
 {
 	u32 TargetCommand = 0;
 	u32 TargetContent = 0;

drivers/staging/rtl8192e/rtl8192e/rtl_cam.h

@@ -31,9 +31,9 @@ struct net_device;
 void CamResetAllEntry(struct net_device *dev);
 void EnableHWSecurityConfig8192(struct net_device *dev);
 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
-	    u8 *MacAddr, u8 DefaultKey, u32 *KeyContent);
+	    const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent);
 void set_swcam(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
-	       u8 *MacAddr, u8 DefaultKey, u32 *KeyContent, u8 is_mesh);
+	       const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent, u8 is_mesh);
 void CamPrintDbgReg(struct net_device *dev);
 
 u32 read_cam(struct net_device *dev, u8 addr);

drivers/staging/rtl8192e/rtllib_softmac.c

@@ -832,7 +832,8 @@ inline struct sk_buff *rtllib_authentication_req(struct rtllib_network *beacon,
 	return skb;
 }
 
-static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee, u8 *dest)
+static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee,
+					 const u8 *dest)
 {
 	u8 *tag;
 	int beacon_size;