xfrm: Const'ify ptr args to xfrm_state_*_check and xfrm_state_kern.
David S. Miller [Thu, 24 Feb 2011 06:42:28 +0000 (01:42 -0500)]
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/xfrm.h

index f6d2f63..3205e5e 100644 (file)
@@ -1178,8 +1178,8 @@ void xfrm_flowi_addr_get(const struct flowi *fl,
 }
 
 static __inline__ int
-__xfrm4_state_addr_check(struct xfrm_state *x,
-                        xfrm_address_t *daddr, xfrm_address_t *saddr)
+__xfrm4_state_addr_check(const struct xfrm_state *x,
+                        const xfrm_address_t *daddr, const xfrm_address_t *saddr)
 {
        if (daddr->a4 == x->id.daddr.a4 &&
            (saddr->a4 == x->props.saddr.a4 || !saddr->a4 || !x->props.saddr.a4))
@@ -1188,8 +1188,8 @@ __xfrm4_state_addr_check(struct xfrm_state *x,
 }
 
 static __inline__ int
-__xfrm6_state_addr_check(struct xfrm_state *x,
-                        xfrm_address_t *daddr, xfrm_address_t *saddr)
+__xfrm6_state_addr_check(const struct xfrm_state *x,
+                        const xfrm_address_t *daddr, const xfrm_address_t *saddr)
 {
        if (!ipv6_addr_cmp((struct in6_addr *)daddr, (struct in6_addr *)&x->id.daddr) &&
            (!ipv6_addr_cmp((struct in6_addr *)saddr, (struct in6_addr *)&x->props.saddr)|| 
@@ -1200,8 +1200,8 @@ __xfrm6_state_addr_check(struct xfrm_state *x,
 }
 
 static __inline__ int
-xfrm_state_addr_check(struct xfrm_state *x,
-                     xfrm_address_t *daddr, xfrm_address_t *saddr,
+xfrm_state_addr_check(const struct xfrm_state *x,
+                     const xfrm_address_t *daddr, const xfrm_address_t *saddr,
                      unsigned short family)
 {
        switch (family) {
@@ -1214,23 +1214,23 @@ xfrm_state_addr_check(struct xfrm_state *x,
 }
 
 static __inline__ int
-xfrm_state_addr_flow_check(struct xfrm_state *x, const struct flowi *fl,
+xfrm_state_addr_flow_check(const struct xfrm_state *x, const struct flowi *fl,
                           unsigned short family)
 {
        switch (family) {
        case AF_INET:
                return __xfrm4_state_addr_check(x,
-                                               (xfrm_address_t *)&fl->fl4_dst,
-                                               (xfrm_address_t *)&fl->fl4_src);
+                                               (const xfrm_address_t *)&fl->fl4_dst,
+                                               (const xfrm_address_t *)&fl->fl4_src);
        case AF_INET6:
                return __xfrm6_state_addr_check(x,
-                                               (xfrm_address_t *)&fl->fl6_dst,
-                                               (xfrm_address_t *)&fl->fl6_src);
+                                               (const xfrm_address_t *)&fl->fl6_dst,
+                                               (const xfrm_address_t *)&fl->fl6_src);
        }
        return 0;
 }
 
-static inline int xfrm_state_kern(struct xfrm_state *x)
+static inline int xfrm_state_kern(const struct xfrm_state *x)
 {
        return atomic_read(&x->tunnel_users);
 }