1 files changed, 11 insertions, 7 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index 190de61..4ed9b50 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -119,6 +119,7 @@
 #include <linux/netdevice.h>
 #include <net/protocol.h>
 #include <linux/skbuff.h>
+#include <net/net_namespace.h>
 #include <net/request_sock.h>
 #include <net/sock.h>
 #include <net/xfrm.h>
@@ -366,6 +367,7 @@ static int sock_bindtodevice(struct sock *sk, char __user *optval, int optlen)
 {
 	int ret = -ENOPROTOOPT;
 #ifdef CONFIG_NETDEVICES
+	struct net *net = sk->sk_net;
 	char devname[IFNAMSIZ];
 	int index;
 
@@ -394,7 +396,7 @@ static int sock_bindtodevice(struct sock *sk, char __user *optval, int optlen)
 	if (devname[0] == '\0') {
 		index = 0;
 	} else {
-		struct net_device *dev = dev_get_by_name(devname);
+		struct net_device *dev = dev_get_by_name(net, devname);
 
 		ret = -ENODEV;
 		if (!dev)
@@ -872,7 +874,7 @@ static inline void sock_lock_init(struct sock *sk)
  *	@prot: struct proto associated with this new sock instance
  *	@zero_it: if we should zero the newly allocated sock
  */
-struct sock *sk_alloc(int family, gfp_t priority,
+struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
 		      struct proto *prot, int zero_it)
 {
 	struct sock *sk = NULL;
@@ -893,6 +895,7 @@ struct sock *sk_alloc(int family, gfp_t priority,
 			 */
 			sk->sk_prot = sk->sk_prot_creator = prot;
 			sock_lock_init(sk);
+			sk->sk_net = get_net(net);
 		}
 
 		if (security_sk_alloc(sk, family, priority))
@@ -932,6 +935,7 @@ void sk_free(struct sock *sk)
 		       __FUNCTION__, atomic_read(&sk->sk_omem_alloc));
 
 	security_sk_free(sk);
+	put_net(sk->sk_net);
 	if (sk->sk_prot_creator->slab != NULL)
 		kmem_cache_free(sk->sk_prot_creator->slab, sk);
 	else
@@ -941,7 +945,7 @@ void sk_free(struct sock *sk)
 
 struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
 {
-	struct sock *newsk = sk_alloc(sk->sk_family, priority, sk->sk_prot, 0);
+	struct sock *newsk = sk_alloc(sk->sk_net, sk->sk_family, priority, sk->sk_prot, 0);
 
 	if (newsk != NULL) {
 		struct sk_filter *filter;
@@ -1585,9 +1589,9 @@ void fastcall lock_sock_nested(struct sock *sk, int subclass)
 {
 	might_sleep();
 	spin_lock_bh(&sk->sk_lock.slock);
-	if (sk->sk_lock.owner)
+	if (sk->sk_lock.owned)
 		__lock_sock(sk);
-	sk->sk_lock.owner = (void *)1;
+	sk->sk_lock.owned = 1;
 	spin_unlock(&sk->sk_lock.slock);
 	/*
 	 * The sk_lock has mutex_lock() semantics here:
@@ -1608,7 +1612,7 @@ void fastcall release_sock(struct sock *sk)
 	spin_lock_bh(&sk->sk_lock.slock);
 	if (sk->sk_backlog.tail)
 		__release_sock(sk);
-	sk->sk_lock.owner = NULL;
+	sk->sk_lock.owned = 0;
 	if (waitqueue_active(&sk->sk_lock.wq))
 		wake_up(&sk->sk_lock.wq);
 	spin_unlock_bh(&sk->sk_lock.slock);
@@ -1973,7 +1977,7 @@ static const struct file_operations proto_seq_fops = {
 static int __init proto_init(void)
 {
 	/* register /proc/net/protocols */
-	return proc_net_fops_create("protocols", S_IRUGO, &proto_seq_fops) == NULL ? -ENOBUFS : 0;
+	return proc_net_fops_create(&init_net, "protocols", S_IRUGO, &proto_seq_fops) == NULL ? -ENOBUFS : 0;
 }
 
 subsys_initcall(proto_init);