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Diffstat (limited to 'net/unix')
-rw-r--r--net/unix/af_unix.c36
-rw-r--r--net/unix/diag.c2
-rw-r--r--net/unix/sysctl_net_unix.c10
3 files changed, 26 insertions, 22 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index d510353ef431..641f2e47f165 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -149,9 +149,10 @@ static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)
* each socket state is protected by separate spin lock.
*/
-static inline unsigned unix_hash_fold(__wsum n)
+static inline unsigned int unix_hash_fold(__wsum n)
{
- unsigned hash = (__force unsigned)n;
+ unsigned int hash = (__force unsigned int)n;
+
hash ^= hash>>16;
hash ^= hash>>8;
return hash&(UNIX_HASH_SIZE-1);
@@ -200,7 +201,7 @@ static inline void unix_release_addr(struct unix_address *addr)
* - if started by zero, it is abstract name.
*/
-static int unix_mkname(struct sockaddr_un *sunaddr, int len, unsigned *hashp)
+static int unix_mkname(struct sockaddr_un *sunaddr, int len, unsigned int *hashp)
{
if (len <= sizeof(short) || len > sizeof(*sunaddr))
return -EINVAL;
@@ -250,7 +251,7 @@ static inline void unix_insert_socket(struct hlist_head *list, struct sock *sk)
static struct sock *__unix_find_socket_byname(struct net *net,
struct sockaddr_un *sunname,
- int len, int type, unsigned hash)
+ int len, int type, unsigned int hash)
{
struct sock *s;
struct hlist_node *node;
@@ -273,7 +274,7 @@ found:
static inline struct sock *unix_find_socket_byname(struct net *net,
struct sockaddr_un *sunname,
int len, int type,
- unsigned hash)
+ unsigned int hash)
{
struct sock *s;
@@ -760,7 +761,7 @@ out: mutex_unlock(&u->readlock);
static struct sock *unix_find_other(struct net *net,
struct sockaddr_un *sunname, int len,
- int type, unsigned hash, int *error)
+ int type, unsigned int hash, int *error)
{
struct sock *u;
struct path path;
@@ -824,7 +825,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct dentry *dentry = NULL;
struct path path;
int err;
- unsigned hash;
+ unsigned int hash;
struct unix_address *addr;
struct hlist_head *list;
@@ -964,7 +965,7 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr,
struct net *net = sock_net(sk);
struct sockaddr_un *sunaddr = (struct sockaddr_un *)addr;
struct sock *other;
- unsigned hash;
+ unsigned int hash;
int err;
if (addr->sa_family != AF_UNSPEC) {
@@ -1062,7 +1063,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
struct sock *newsk = NULL;
struct sock *other = NULL;
struct sk_buff *skb = NULL;
- unsigned hash;
+ unsigned int hash;
int st;
int err;
long timeo;
@@ -1437,11 +1438,12 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct sock *other = NULL;
int namelen = 0; /* fake GCC */
int err;
- unsigned hash;
+ unsigned int hash;
struct sk_buff *skb;
long timeo;
struct scm_cookie tmp_scm;
int max_level;
+ int data_len = 0;
if (NULL == siocb->scm)
siocb->scm = &tmp_scm;
@@ -1475,7 +1477,13 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
if (len > sk->sk_sndbuf - 32)
goto out;
- skb = sock_alloc_send_skb(sk, len, msg->msg_flags&MSG_DONTWAIT, &err);
+ if (len > SKB_MAX_ALLOC)
+ data_len = min_t(size_t,
+ len - SKB_MAX_ALLOC,
+ MAX_SKB_FRAGS * PAGE_SIZE);
+
+ skb = sock_alloc_send_pskb(sk, len - data_len, data_len,
+ msg->msg_flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto out;
@@ -1485,8 +1493,10 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
max_level = err + 1;
unix_get_secdata(siocb->scm, skb);
- skb_reset_transport_header(skb);
- err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
+ skb_put(skb, len - data_len);
+ skb->data_len = data_len;
+ skb->len = len;
+ err = skb_copy_datagram_from_iovec(skb, 0, msg->msg_iov, 0, len);
if (err)
goto out_free;
diff --git a/net/unix/diag.c b/net/unix/diag.c
index f0486ae9ebe6..47d3002737f5 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -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,
};
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
index 397cffebb3b6..b34b5b9792f0 100644
--- a/net/unix/sysctl_net_unix.c
+++ b/net/unix/sysctl_net_unix.c
@@ -26,12 +26,6 @@ static ctl_table unix_table[] = {
{ }
};
-static struct ctl_path unix_path[] = {
- { .procname = "net", },
- { .procname = "unix", },
- { },
-};
-
int __net_init unix_sysctl_register(struct net *net)
{
struct ctl_table *table;
@@ -41,7 +35,7 @@ int __net_init unix_sysctl_register(struct net *net)
goto err_alloc;
table[0].data = &net->unx.sysctl_max_dgram_qlen;
- net->unx.ctl = register_net_sysctl_table(net, unix_path, table);
+ net->unx.ctl = register_net_sysctl(net, "net/unix", table);
if (net->unx.ctl == NULL)
goto err_reg;
@@ -58,6 +52,6 @@ void unix_sysctl_unregister(struct net *net)
struct ctl_table *table;
table = net->unx.ctl->ctl_table_arg;
- unregister_sysctl_table(net->unx.ctl);
+ unregister_net_sysctl_table(net->unx.ctl);
kfree(table);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-17 05:30:43 +0300