mac802154: declare struct ieee802154_ops as const

The ieee802154_ops structure should be never changed during runtime.
This patch declare this structure as const to avoid a runtime change.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/mac802154/ieee802154_i.h

@@ -28,7 +28,7 @@
 /* mac802154 device private data */
 struct ieee802154_local {
 	struct ieee802154_hw hw;
-	struct ieee802154_ops *ops;
+	const struct ieee802154_ops *ops;
 
 	/* ieee802154 phy */
 	struct wpan_phy *phy;

net/mac802154/main.c

@@ -187,7 +187,7 @@ static void ieee802154_tasklet_handler(unsigned long data)
 }
 
 struct ieee802154_hw *
-ieee802154_alloc_hw(size_t priv_data_len, struct ieee802154_ops *ops)
+ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops)
 {
 	struct wpan_phy *phy;
 	struct ieee802154_local *local;