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Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c38
1 files changed, 12 insertions, 26 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index a05c34260e7..2b57eaf66ab 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -103,6 +103,7 @@
#include <asm/uaccess.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
+#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/tcp_states.h>
#include <net/af_unix.h>
@@ -593,7 +594,7 @@ static struct proto unix_proto = {
*/
static struct lock_class_key af_unix_sk_receive_queue_lock_key;
-static struct sock * unix_create1(struct socket *sock)
+static struct sock * unix_create1(struct net *net, struct socket *sock)
{
struct sock *sk = NULL;
struct unix_sock *u;
@@ -601,7 +602,7 @@ static struct sock * unix_create1(struct socket *sock)
if (atomic_read(&unix_nr_socks) >= 2*get_max_files())
goto out;
- sk = sk_alloc(PF_UNIX, GFP_KERNEL, &unix_proto, 1);
+ sk = sk_alloc(net, PF_UNIX, GFP_KERNEL, &unix_proto, 1);
if (!sk)
goto out;
@@ -627,8 +628,11 @@ out:
return sk;
}
-static int unix_create(struct socket *sock, int protocol)
+static int unix_create(struct net *net, struct socket *sock, int protocol)
{
+ if (net != &init_net)
+ return -EAFNOSUPPORT;
+
if (protocol && protocol != PF_UNIX)
return -EPROTONOSUPPORT;
@@ -654,7 +658,7 @@ static int unix_create(struct socket *sock, int protocol)
return -ESOCKTNOSUPPORT;
}
- return unix_create1(sock) ? 0 : -ENOMEM;
+ return unix_create1(net, sock) ? 0 : -ENOMEM;
}
static int unix_release(struct socket *sock)
@@ -1038,7 +1042,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
err = -ENOMEM;
/* create new sock for complete connection */
- newsk = unix_create1(NULL);
+ newsk = unix_create1(sk->sk_net, NULL);
if (newsk == NULL)
goto out;
@@ -2082,25 +2086,7 @@ static const struct seq_operations unix_seq_ops = {
static int unix_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- int *iter = kmalloc(sizeof(int), GFP_KERNEL);
-
- if (!iter)
- goto out;
-
- rc = seq_open(file, &unix_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = iter;
- *iter = 0;
-out:
- return rc;
-out_kfree:
- kfree(iter);
- goto out;
+ return seq_open_private(file, &unix_seq_ops, sizeof(int));
}
static const struct file_operations unix_seq_fops = {
@@ -2135,7 +2121,7 @@ static int __init af_unix_init(void)
sock_register(&unix_family_ops);
#ifdef CONFIG_PROC_FS
- proc_net_fops_create("unix", 0, &unix_seq_fops);
+ proc_net_fops_create(&init_net, "unix", 0, &unix_seq_fops);
#endif
unix_sysctl_register();
out:
@@ -2146,7 +2132,7 @@ static void __exit af_unix_exit(void)
{
sock_unregister(PF_UNIX);
unix_sysctl_unregister();
- proc_net_remove("unix");
+ proc_net_remove(&init_net, "unix");
proto_unregister(&unix_proto);
}