[XFRM]: constify 'struct xfrm_type'

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

11 files changed, 22 insertions, 22 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 34d373775a0e..ac72116636ca 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -202,7 +202,7 @@ struct xfrm_state
 
         /* Reference to data common to all the instances of this
          * transformer. */
-        struct xfrm_type        *type;
+        const struct xfrm_type  *type;
         struct xfrm_mode        *inner_mode;
         struct xfrm_mode        *outer_mode;
 
@@ -279,7 +279,7 @@ struct xfrm_state_afinfo {
         unsigned int            proto;
         unsigned int            eth_proto;
         struct module           *owner;
-        struct xfrm_type        *type_map[IPPROTO_MAX];
+        const struct xfrm_type  *type_map[IPPROTO_MAX];
         struct xfrm_mode        *mode_map[XFRM_MODE_MAX];
         int                     (*init_flags)(struct xfrm_state *x);
         void                    (*init_tempsel)(struct xfrm_state *x, struct flowi *fl,
@@ -322,8 +322,8 @@ struct xfrm_type
         u32                     (*get_mtu)(struct xfrm_state *, int size);
 };
 
-extern int xfrm_register_type(struct xfrm_type *type, unsigned short family);
-extern int xfrm_unregister_type(struct xfrm_type *type, unsigned short family);
+extern int xfrm_register_type(const struct xfrm_type *type, unsigned short family);
+extern int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family);
 
 struct xfrm_mode {
         /*
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index d76803a3dcae..9d4555ec0b59 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -300,7 +300,7 @@ static void ah_destroy(struct xfrm_state *x)
 }
 
 
-static struct xfrm_type ah_type =
+static const struct xfrm_type ah_type =
 {
         .description    = "AH4",
         .owner          = THIS_MODULE,
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index fac4f102c9f9..258d17631b4b 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -600,7 +600,7 @@ error:
         return err;
 }
 
-static struct xfrm_type esp_type =
+static const struct xfrm_type esp_type =
 {
         .description    = "ESP4",
         .owner          = THIS_MODULE,
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index b79cdbee68a9..ae1f45fc23b9 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -437,7 +437,7 @@ error:
         goto out;
 }
 
-static struct xfrm_type ipcomp_type = {
+static const struct xfrm_type ipcomp_type = {
         .description    = "IPCOMP4",
         .owner          = THIS_MODULE,
         .proto          = IPPROTO_COMP,
diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c
index 326845195620..87f77e412ba2 100644
--- a/net/ipv4/xfrm4_tunnel.c
+++ b/net/ipv4/xfrm4_tunnel.c
@@ -38,7 +38,7 @@ static void ipip_destroy(struct xfrm_state *x)
 {
 }
 
-static struct xfrm_type ipip_type = {
+static const struct xfrm_type ipip_type = {
         .description    = "IPIP",
         .owner          = THIS_MODULE,
         .proto          = IPPROTO_IPIP,
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index fb0d07a15e93..379c8e04c36c 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -515,7 +515,7 @@ static void ah6_destroy(struct xfrm_state *x)
         kfree(ahp);
 }
 
-static struct xfrm_type ah6_type =
+static const struct xfrm_type ah6_type =
 {
         .description    = "AH6",
         .owner          = THIS_MODULE,
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index ca48c56c4b17..8e0f1428c716 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -538,7 +538,7 @@ error:
         return err;
 }
 
-static struct xfrm_type esp6_type =
+static const struct xfrm_type esp6_type =
 {
         .description    = "ESP6",
         .owner          = THIS_MODULE,
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 710325e7a842..b90039593a7f 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -453,7 +453,7 @@ error:
         goto out;
 }
 
-static struct xfrm_type ipcomp6_type =
+static const struct xfrm_type ipcomp6_type =
 {
         .description    = "IPCOMP6",
         .owner          = THIS_MODULE,
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 49d396620eac..cd8a5bda13cd 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -330,7 +330,7 @@ static void mip6_destopt_destroy(struct xfrm_state *x)
 {
 }
 
-static struct xfrm_type mip6_destopt_type =
+static const struct xfrm_type mip6_destopt_type =
 {
         .description    = "MIP6DESTOPT",
         .owner          = THIS_MODULE,
@@ -462,7 +462,7 @@ static void mip6_rthdr_destroy(struct xfrm_state *x)
 {
 }
 
-static struct xfrm_type mip6_rthdr_type =
+static const struct xfrm_type mip6_rthdr_type =
 {
         .description    = "MIP6RT",
         .owner          = THIS_MODULE,
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index fae90ff31087..639fe8a6ff1e 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -319,7 +319,7 @@ static void xfrm6_tunnel_destroy(struct xfrm_state *x)
         xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr);
 }
 
-static struct xfrm_type xfrm6_tunnel_type = {
+static const struct xfrm_type xfrm6_tunnel_type = {
         .description    = "IP6IP6",
         .owner          = THIS_MODULE,
         .proto          = IPPROTO_IPV6,
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 3003503d0c94..4463eeb8d1de 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -216,10 +216,10 @@ static void xfrm_state_unlock_afinfo(struct xfrm_state_afinfo *afinfo)
         write_unlock_bh(&xfrm_state_afinfo_lock);
 }
 
-int xfrm_register_type(struct xfrm_type *type, unsigned short family)
+int xfrm_register_type(const struct xfrm_type *type, unsigned short family)
 {
         struct xfrm_state_afinfo *afinfo = xfrm_state_lock_afinfo(family);
-        struct xfrm_type **typemap;
+        const struct xfrm_type **typemap;
         int err = 0;
 
         if (unlikely(afinfo == NULL))
@@ -235,10 +235,10 @@ int xfrm_register_type(struct xfrm_type *type, unsigned short family)
 }
 EXPORT_SYMBOL(xfrm_register_type);
 
-int xfrm_unregister_type(struct xfrm_type *type, unsigned short family)
+int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family)
 {
         struct xfrm_state_afinfo *afinfo = xfrm_state_lock_afinfo(family);
-        struct xfrm_type **typemap;
+        const struct xfrm_type **typemap;
         int err = 0;
 
         if (unlikely(afinfo == NULL))
@@ -254,11 +254,11 @@ int xfrm_unregister_type(struct xfrm_type *type, unsigned short family)
 }
 EXPORT_SYMBOL(xfrm_unregister_type);
 
-static struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)
+static const struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)
 {
         struct xfrm_state_afinfo *afinfo;
-        struct xfrm_type **typemap;
-        struct xfrm_type *type;
+        const struct xfrm_type **typemap;
+        const struct xfrm_type *type;
         int modload_attempted = 0;
 
 retry:
@@ -281,7 +281,7 @@ retry:
         return type;
 }
 
-static void xfrm_put_type(struct xfrm_type *type)
+static void xfrm_put_type(const struct xfrm_type *type)
 {
         module_put(type->owner);
 }