From 533cb5b0a63f28ecab5503cfceb77e641fa7f7c4 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 30 Jan 2008 19:11:50 -0800 Subject: [XFRM]: constify 'struct xfrm_type' Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 34d3737..ac72116 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 d76803a..9d4555e 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 fac4f10..258d176 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 b79cdbe..ae1f45f 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 3268451..87f77e4 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 fb0d07a..379c8e0 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 ca48c56..8e0f142 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 710325e..b900395 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 49d3966..cd8a5bd 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 fae90ff..639fe8a 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 3003503..4463eeb 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); } -- cgit v0.10.2