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Diffstat (limited to 'net/phonet/socket.c')
-rw-r--r--net/phonet/socket.c50
1 files changed, 24 insertions, 26 deletions
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 71e2caf6ab85..4423d483c630 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -153,7 +153,7 @@ EXPORT_SYMBOL(pn_sock_unhash);
static DEFINE_MUTEX(port_mutex);
-static int pn_socket_bind(struct socket *sock, struct sockaddr *addr, int len)
+static int pn_socket_bind(struct socket *sock, struct sockaddr_unsized *addr, int len)
{
struct sock *sk = sock->sk;
struct pn_sock *pn = pn_sk(sk);
@@ -206,16 +206,16 @@ static int pn_socket_autobind(struct socket *sock)
memset(&sa, 0, sizeof(sa));
sa.spn_family = AF_PHONET;
- err = pn_socket_bind(sock, (struct sockaddr *)&sa,
- sizeof(struct sockaddr_pn));
+ err = pn_socket_bind(sock, (struct sockaddr_unsized *)&sa,
+ sizeof(struct sockaddr_pn));
if (err != -EINVAL)
return err;
BUG_ON(!pn_port(pn_sk(sock->sk)->sobject));
return 0; /* socket was already bound */
}
-static int pn_socket_connect(struct socket *sock, struct sockaddr *addr,
- int len, int flags)
+static int pn_socket_connect(struct socket *sock, struct sockaddr_unsized *addr,
+ int len, int flags)
{
struct sock *sk = sock->sk;
struct pn_sock *pn = pn_sk(sk);
@@ -292,18 +292,17 @@ out:
}
static int pn_socket_accept(struct socket *sock, struct socket *newsock,
- int flags, bool kern)
+ struct proto_accept_arg *arg)
{
struct sock *sk = sock->sk;
struct sock *newsk;
- int err;
if (unlikely(sk->sk_state != TCP_LISTEN))
return -EINVAL;
- newsk = sk->sk_prot->accept(sk, flags, &err, kern);
+ newsk = sk->sk_prot->accept(sk, arg);
if (!newsk)
- return err;
+ return arg->err;
lock_sock(newsk);
sock_graft(newsk, newsock);
@@ -387,7 +386,7 @@ static int pn_socket_ioctl(struct socket *sock, unsigned int cmd,
return put_user(handle, (__u16 __user *)arg);
}
- return sk->sk_prot->ioctl(sk, cmd, arg);
+ return sk_ioctl(sk, cmd, (void __user *)arg);
}
static int pn_socket_listen(struct socket *sock, int backlog)
@@ -441,7 +440,6 @@ const struct proto_ops phonet_dgram_ops = {
.sendmsg = pn_socket_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
- .sendpage = sock_no_sendpage,
};
const struct proto_ops phonet_stream_ops = {
@@ -462,7 +460,6 @@ const struct proto_ops phonet_stream_ops = {
.sendmsg = pn_socket_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
- .sendpage = sock_no_sendpage,
};
EXPORT_SYMBOL(phonet_stream_ops);
@@ -587,10 +584,10 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v)
sk->sk_protocol, pn->sobject, pn->dobject,
pn->resource, sk->sk_state,
sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
- from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+ from_kuid_munged(seq_user_ns(seq), sk_uid(sk)),
sock_i_ino(sk),
refcount_read(&sk->sk_refcnt), sk,
- atomic_read(&sk->sk_drops));
+ sk_drops_read(sk));
}
seq_pad(seq, '\n');
return 0;
@@ -605,7 +602,7 @@ const struct seq_operations pn_sock_seq_ops = {
#endif
static struct {
- struct sock *sk[256];
+ struct sock __rcu *sk[256];
} pnres;
/*
@@ -657,7 +654,7 @@ int pn_sock_unbind_res(struct sock *sk, u8 res)
return -EPERM;
mutex_lock(&resource_mutex);
- if (pnres.sk[res] == sk) {
+ if (rcu_access_pointer(pnres.sk[res]) == sk) {
RCU_INIT_POINTER(pnres.sk[res], NULL);
ret = 0;
}
@@ -676,7 +673,7 @@ void pn_sock_unbind_all_res(struct sock *sk)
mutex_lock(&resource_mutex);
for (res = 0; res < 256; res++) {
- if (pnres.sk[res] == sk) {
+ if (rcu_access_pointer(pnres.sk[res]) == sk) {
RCU_INIT_POINTER(pnres.sk[res], NULL);
match++;
}
@@ -691,7 +688,7 @@ void pn_sock_unbind_all_res(struct sock *sk)
}
#ifdef CONFIG_PROC_FS
-static struct sock **pn_res_get_idx(struct seq_file *seq, loff_t pos)
+static struct sock __rcu **pn_res_get_idx(struct seq_file *seq, loff_t pos)
{
struct net *net = seq_file_net(seq);
unsigned int i;
@@ -700,7 +697,7 @@ static struct sock **pn_res_get_idx(struct seq_file *seq, loff_t pos)
return NULL;
for (i = 0; i < 256; i++) {
- if (pnres.sk[i] == NULL)
+ if (rcu_access_pointer(pnres.sk[i]) == NULL)
continue;
if (!pos)
return pnres.sk + i;
@@ -709,7 +706,7 @@ static struct sock **pn_res_get_idx(struct seq_file *seq, loff_t pos)
return NULL;
}
-static struct sock **pn_res_get_next(struct seq_file *seq, struct sock **sk)
+static struct sock __rcu **pn_res_get_next(struct seq_file *seq, struct sock __rcu **sk)
{
struct net *net = seq_file_net(seq);
unsigned int i;
@@ -731,7 +728,7 @@ static void *pn_res_seq_start(struct seq_file *seq, loff_t *pos)
static void *pn_res_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct sock **sk;
+ struct sock __rcu **sk;
if (v == SEQ_START_TOKEN)
sk = pn_res_get_idx(seq, 0);
@@ -750,15 +747,16 @@ static void pn_res_seq_stop(struct seq_file *seq, void *v)
static int pn_res_seq_show(struct seq_file *seq, void *v)
{
seq_setwidth(seq, 63);
- if (v == SEQ_START_TOKEN)
+ if (v == SEQ_START_TOKEN) {
seq_puts(seq, "rs uid inode");
- else {
- struct sock **psk = v;
- struct sock *sk = *psk;
+ } else {
+ struct sock __rcu **psk = v;
+ struct sock *sk = rcu_dereference_protected(*psk,
+ lockdep_is_held(&resource_mutex));
seq_printf(seq, "%02X %5u %lu",
(int) (psk - pnres.sk),
- from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+ from_kuid_munged(seq_user_ns(seq), sk_uid(sk)),
sock_i_ino(sk));
}
seq_pad(seq, '\n');
generated by cgit (git 2.34.1) at 2025-12-21 18:57:03 +0000