diff options
Diffstat (limited to 'net/unix')
| -rw-r--r-- | net/unix/af_unix.c | 38 |
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); } |