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authorEric Dumazet <edumazet@google.com>2015-03-10 07:15:54 -0700
committerDavid S. Miller <davem@davemloft.net>2015-03-10 13:45:28 -0400
commit34160ea3f9c96b5ae71a11459f9b9f6c298b8930 (patch)
treea2b18975c94f3a924a24a09301bfac37f34d888f
parente31c5e0e486226e0808a2e90a7af40daa084ed09 (diff)
downloadlinux-34160ea3f9c96b5ae71a11459f9b9f6c298b8930.tar.bz2
inet_diag: add const to inet_diag_req_v2
diag dumpers should not modify the request. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/inet_diag.h43
-rw-r--r--net/dccp/diag.c7
-rw-r--r--net/ipv4/inet_diag.c22
-rw-r--r--net/ipv4/tcp_diag.c4
-rw-r--r--net/ipv4/udp_diag.c22
5 files changed, 52 insertions, 46 deletions
diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h
index 46da02410a09..ac48b10c9395 100644
--- a/include/linux/inet_diag.h
+++ b/include/linux/inet_diag.h
@@ -11,33 +11,34 @@ struct sk_buff;
struct netlink_callback;
struct inet_diag_handler {
- void (*dump)(struct sk_buff *skb,
- struct netlink_callback *cb,
- struct inet_diag_req_v2 *r,
- struct nlattr *bc);
-
- int (*dump_one)(struct sk_buff *in_skb,
- const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req);
-
- void (*idiag_get_info)(struct sock *sk,
- struct inet_diag_msg *r,
- void *info);
- __u16 idiag_type;
+ void (*dump)(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ const struct inet_diag_req_v2 *r,
+ struct nlattr *bc);
+
+ int (*dump_one)(struct sk_buff *in_skb,
+ const struct nlmsghdr *nlh,
+ const struct inet_diag_req_v2 *req);
+
+ void (*idiag_get_info)(struct sock *sk,
+ struct inet_diag_msg *r,
+ void *info);
+ __u16 idiag_type;
};
struct inet_connection_sock;
int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
- struct sk_buff *skb, struct inet_diag_req_v2 *req,
- struct user_namespace *user_ns,
- u32 pid, u32 seq, u16 nlmsg_flags,
- const struct nlmsghdr *unlh);
+ struct sk_buff *skb, const struct inet_diag_req_v2 *req,
+ struct user_namespace *user_ns,
+ u32 pid, u32 seq, u16 nlmsg_flags,
+ const struct nlmsghdr *unlh);
void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
- struct netlink_callback *cb, struct inet_diag_req_v2 *r,
- struct nlattr *bc);
+ struct netlink_callback *cb,
+ const struct inet_diag_req_v2 *r,
+ struct nlattr *bc);
int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
- struct sk_buff *in_skb, const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req);
+ struct sk_buff *in_skb, const struct nlmsghdr *nlh,
+ const struct inet_diag_req_v2 *req);
int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
diff --git a/net/dccp/diag.c b/net/dccp/diag.c
index 028fc43aacbd..5a45f8de5d99 100644
--- a/net/dccp/diag.c
+++ b/net/dccp/diag.c
@@ -49,13 +49,14 @@ static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
}
static void dccp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r, struct nlattr *bc)
{
inet_diag_dump_icsk(&dccp_hashinfo, skb, cb, r, bc);
}
-static int dccp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req)
+static int dccp_diag_dump_one(struct sk_buff *in_skb,
+ const struct nlmsghdr *nlh,
+ const struct inet_diag_req_v2 *req)
{
return inet_diag_dump_one_icsk(&dccp_hashinfo, in_skb, nlh, req);
}
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index cd261f6e3abb..ac3bfb458afd 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -71,7 +71,7 @@ static void inet_diag_unlock_handler(const struct inet_diag_handler *handler)
}
int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
- struct sk_buff *skb, struct inet_diag_req_v2 *req,
+ struct sk_buff *skb, const struct inet_diag_req_v2 *req,
struct user_namespace *user_ns,
u32 portid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
@@ -212,7 +212,7 @@ EXPORT_SYMBOL_GPL(inet_sk_diag_fill);
static int inet_csk_diag_fill(struct sock *sk,
struct sk_buff *skb,
- struct inet_diag_req_v2 *req,
+ const struct inet_diag_req_v2 *req,
struct user_namespace *user_ns,
u32 portid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
@@ -223,7 +223,7 @@ static int inet_csk_diag_fill(struct sock *sk,
static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
struct sk_buff *skb,
- struct inet_diag_req_v2 *req,
+ const struct inet_diag_req_v2 *req,
u32 portid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
@@ -277,7 +277,7 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
}
static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
- struct inet_diag_req_v2 *r,
+ const struct inet_diag_req_v2 *r,
struct user_namespace *user_ns,
u32 portid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
@@ -293,7 +293,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
struct sk_buff *in_skb,
const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req)
+ const struct inet_diag_req_v2 *req)
{
struct net *net = sock_net(in_skb->sk);
struct sk_buff *rep;
@@ -358,7 +358,7 @@ EXPORT_SYMBOL_GPL(inet_diag_dump_one_icsk);
static int inet_diag_get_exact(struct sk_buff *in_skb,
const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req)
+ const struct inet_diag_req_v2 *req)
{
const struct inet_diag_handler *handler;
int err;
@@ -626,7 +626,7 @@ static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
static int inet_csk_diag_dump(struct sock *sk,
struct sk_buff *skb,
struct netlink_callback *cb,
- struct inet_diag_req_v2 *r,
+ const struct inet_diag_req_v2 *r,
const struct nlattr *bc)
{
if (!inet_diag_bc_sk(bc, sk))
@@ -667,7 +667,7 @@ static void twsk_build_assert(void)
static int inet_twsk_diag_dump(struct sock *sk,
struct sk_buff *skb,
struct netlink_callback *cb,
- struct inet_diag_req_v2 *r,
+ const struct inet_diag_req_v2 *r,
const struct nlattr *bc)
{
twsk_build_assert();
@@ -770,7 +770,7 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
struct netlink_callback *cb,
- struct inet_diag_req_v2 *r,
+ const struct inet_diag_req_v2 *r,
const struct nlattr *bc)
{
struct inet_connection_sock *icsk = inet_csk(sk);
@@ -842,7 +842,7 @@ out:
void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
struct netlink_callback *cb,
- struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r, struct nlattr *bc)
{
struct net *net = sock_net(skb->sk);
int i, num, s_i, s_num;
@@ -978,7 +978,7 @@ out:
EXPORT_SYMBOL_GPL(inet_diag_dump_icsk);
static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req_v2 *r,
+ const struct inet_diag_req_v2 *r,
struct nlattr *bc)
{
const struct inet_diag_handler *handler;
diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 0d73f9ddb55b..86dc119a3815 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -34,13 +34,13 @@ static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
}
static void tcp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r, struct nlattr *bc)
{
inet_diag_dump_icsk(&tcp_hashinfo, skb, cb, r, bc);
}
static int tcp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req)
+ const struct inet_diag_req_v2 *req)
{
return inet_diag_dump_one_icsk(&tcp_hashinfo, in_skb, nlh, req);
}
diff --git a/net/ipv4/udp_diag.c b/net/ipv4/udp_diag.c
index 4a000f1dd757..2dbfc1f1f7b3 100644
--- a/net/ipv4/udp_diag.c
+++ b/net/ipv4/udp_diag.c
@@ -18,8 +18,9 @@
#include <linux/sock_diag.h>
static int sk_diag_dump(struct sock *sk, struct sk_buff *skb,
- struct netlink_callback *cb, struct inet_diag_req_v2 *req,
- struct nlattr *bc)
+ struct netlink_callback *cb,
+ const struct inet_diag_req_v2 *req,
+ struct nlattr *bc)
{
if (!inet_diag_bc_sk(bc, sk))
return 0;
@@ -31,7 +32,8 @@ static int sk_diag_dump(struct sock *sk, struct sk_buff *skb,
}
static int udp_dump_one(struct udp_table *tbl, struct sk_buff *in_skb,
- const struct nlmsghdr *nlh, struct inet_diag_req_v2 *req)
+ const struct nlmsghdr *nlh,
+ const struct inet_diag_req_v2 *req)
{
int err = -EINVAL;
struct sock *sk;
@@ -90,8 +92,9 @@ out_nosk:
return err;
}
-static void udp_dump(struct udp_table *table, struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req_v2 *r, struct nlattr *bc)
+static void udp_dump(struct udp_table *table, struct sk_buff *skb,
+ struct netlink_callback *cb,
+ const struct inet_diag_req_v2 *r, struct nlattr *bc)
{
int num, s_num, slot, s_slot;
struct net *net = sock_net(skb->sk);
@@ -144,13 +147,13 @@ done:
}
static void udp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r, struct nlattr *bc)
{
udp_dump(&udp_table, skb, cb, r, bc);
}
static int udp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req)
+ const struct inet_diag_req_v2 *req)
{
return udp_dump_one(&udp_table, in_skb, nlh, req);
}
@@ -170,13 +173,14 @@ static const struct inet_diag_handler udp_diag_handler = {
};
static void udplite_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r,
+ struct nlattr *bc)
{
udp_dump(&udplite_table, skb, cb, r, bc);
}
static int udplite_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req)
+ const struct inet_diag_req_v2 *req)
{
return udp_dump_one(&udplite_table, in_skb, nlh, req);
}