xfrm: Const'ify xfrm_address_t args to xfrm_state_find.

This required a const'ification in xfrm_init_tempstate() too.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/xfrm.h

@@ -1334,8 +1334,8 @@ extern int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,
 			   int (*func)(struct xfrm_state *, int, void*), void *);
 extern void xfrm_state_walk_done(struct xfrm_state_walk *walk);
 extern struct xfrm_state *xfrm_state_alloc(struct net *net);
-extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr,
-					  xfrm_address_t *saddr, 
+extern struct xfrm_state *xfrm_state_find(const xfrm_address_t *daddr,
+					  const xfrm_address_t *saddr,
 					  const struct flowi *fl,
 					  struct xfrm_tmpl *tmpl,
 					  struct xfrm_policy *pol, int *err,

net/xfrm/xfrm_state.c

@@ -659,7 +659,7 @@ EXPORT_SYMBOL(xfrm_sad_getinfo);
 static int
 xfrm_init_tempstate(struct xfrm_state *x, const struct flowi *fl,
 		    const struct xfrm_tmpl *tmpl,
-		    xfrm_address_t *daddr, xfrm_address_t *saddr,
+		    const xfrm_address_t *daddr, const xfrm_address_t *saddr,
 		    unsigned short family)
 {
 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);
@@ -790,7 +790,7 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
 }
 
 struct xfrm_state *
-xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
+xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr,
 		const struct flowi *fl, struct xfrm_tmpl *tmpl,
 		struct xfrm_policy *pol, int *err,
 		unsigned short family)