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net: sock_diag_handler structs can be const 

read only, so change it to const.

Signed-off-by: Shan Wei <davidshan@tencent.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shan Wei 2012-04-24 18:21:07 +00:00 committed by David S. Miller
parent 808db80a7e
commit 8dcf01fc00
4 changed files with 11 additions and 11 deletions
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4
include/linux/sock_diag.h
View File

@ -32,8 +32,8 @@ struct sock_diag_handler {
int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh);
};
int sock_diag_register(struct sock_diag_handler *h);
void sock_diag_unregister(struct sock_diag_handler *h);
int sock_diag_register(const struct sock_diag_handler *h);
void sock_diag_unregister(const struct sock_diag_handler *h);
void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));

12
net/core/sock_diag.c
View File

@ -10,7 +10,7 @@
#include <linux/inet_diag.h>
#include <linux/sock_diag.h>
static struct sock_diag_handler *sock_diag_handlers[AF_MAX];
static const struct sock_diag_handler *sock_diag_handlers[AF_MAX];
static int (*inet_rcv_compat)(struct sk_buff *skb, struct nlmsghdr *nlh);
static DEFINE_MUTEX(sock_diag_table_mutex);
@ -70,7 +70,7 @@ void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlms
}
EXPORT_SYMBOL_GPL(sock_diag_unregister_inet_compat);
int sock_diag_register(struct sock_diag_handler *hndl)
int sock_diag_register(const struct sock_diag_handler *hndl)
{
int err = 0;
@ -88,7 +88,7 @@ int sock_diag_register(struct sock_diag_handler *hndl)
}
EXPORT_SYMBOL_GPL(sock_diag_register);
void sock_diag_unregister(struct sock_diag_handler *hnld)
void sock_diag_unregister(const struct sock_diag_handler *hnld)
{
int family = hnld->family;
@ -102,7 +102,7 @@ void sock_diag_unregister(struct sock_diag_handler *hnld)
}
EXPORT_SYMBOL_GPL(sock_diag_unregister);
static inline struct sock_diag_handler *sock_diag_lock_handler(int family)
static const inline struct sock_diag_handler *sock_diag_lock_handler(int family)
{
if (sock_diag_handlers[family] == NULL)
request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
@ -112,7 +112,7 @@ static inline struct sock_diag_handler *sock_diag_lock_handler(int family)
return sock_diag_handlers[family];
}
static inline void sock_diag_unlock_handler(struct sock_diag_handler *h)
static inline void sock_diag_unlock_handler(const struct sock_diag_handler *h)
{
mutex_unlock(&sock_diag_table_mutex);
}
@ -121,7 +121,7 @@ static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
int err;
struct sock_diag_req *req = NLMSG_DATA(nlh);
struct sock_diag_handler *hndl;
const struct sock_diag_handler *hndl;
if (nlmsg_len(nlh) < sizeof(*req))
return -EINVAL;

4
net/ipv4/inet_diag.c
View File

@ -999,12 +999,12 @@ static int inet_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h)
return inet_diag_get_exact(skb, h, (struct inet_diag_req_v2 *)NLMSG_DATA(h));
}
static struct sock_diag_handler inet_diag_handler = {
static const struct sock_diag_handler inet_diag_handler = {
.family = AF_INET,
.dump = inet_diag_handler_dump,
};
static struct sock_diag_handler inet6_diag_handler = {
static const struct sock_diag_handler inet6_diag_handler = {
.family = AF_INET6,
.dump = inet_diag_handler_dump,
};

2
net/unix/diag.c
View File

@ -310,7 +310,7 @@ static int unix_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h)
return unix_diag_get_exact(skb, h, (struct unix_diag_req *)NLMSG_DATA(h));
}
static struct sock_diag_handler unix_diag_handler = {
static const struct sock_diag_handler unix_diag_handler = {
.family = AF_UNIX,
.dump = unix_diag_handler_dump,
};