net: Pass kern from net_proto_family.create to sk_alloc

In preparation for changing how struct net is refcounted
on kernel sockets pass the knowledge that we are creating
a kernel socket from sock_create_kern through to sk_alloc.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: ebiederm

crypto/af_alg.c

@@ -244,7 +244,7 @@ int af_alg_accept(struct sock *sk, struct socket *newsock)
 	if (!type)
 		goto unlock;
 
-	sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto);
+	sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto, 0);
 	err = -ENOMEM;
 	if (!sk2)
 		goto unlock;
@@ -324,7 +324,7 @@ static int alg_create(struct net *net, struct socket *sock, int protocol,
 		return -EPROTONOSUPPORT;
 
 	err = -ENOMEM;
-	sk = sk_alloc(net, PF_ALG, GFP_KERNEL, &alg_proto);
+	sk = sk_alloc(net, PF_ALG, GFP_KERNEL, &alg_proto, kern);
 	if (!sk)
 		goto out;
 

drivers/isdn/mISDN/socket.c

@@ -601,14 +601,14 @@ static const struct proto_ops data_sock_ops = {
 };
 
 static int
-data_sock_create(struct net *net, struct socket *sock, int protocol)
+data_sock_create(struct net *net, struct socket *sock, int protocol, int kern)
 {
 	struct sock *sk;
 
 	if (sock->type != SOCK_DGRAM)
 		return -ESOCKTNOSUPPORT;
 
-	sk = sk_alloc(net, PF_ISDN, GFP_KERNEL, &mISDN_proto);
+	sk = sk_alloc(net, PF_ISDN, GFP_KERNEL, &mISDN_proto, kern);
 	if (!sk)
 		return -ENOMEM;
 
@@ -756,14 +756,14 @@ static const struct proto_ops base_sock_ops = {
 
 
 static int
-base_sock_create(struct net *net, struct socket *sock, int protocol)
+base_sock_create(struct net *net, struct socket *sock, int protocol, int kern)
 {
 	struct sock *sk;
 
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	sk = sk_alloc(net, PF_ISDN, GFP_KERNEL, &mISDN_proto);
+	sk = sk_alloc(net, PF_ISDN, GFP_KERNEL, &mISDN_proto, kern);
 	if (!sk)
 		return -ENOMEM;
 
@@ -785,7 +785,7 @@ mISDN_sock_create(struct net *net, struct socket *sock, int proto, int kern)
 
 	switch (proto) {
 	case ISDN_P_BASE:
-		err = base_sock_create(net, sock, proto);
+		err = base_sock_create(net, sock, proto, kern);
 		break;
 	case ISDN_P_TE_S0:
 	case ISDN_P_NT_S0:
@@ -799,7 +799,7 @@ mISDN_sock_create(struct net *net, struct socket *sock, int proto, int kern)
 	case ISDN_P_B_L2DTMF:
 	case ISDN_P_B_L2DSP:
 	case ISDN_P_B_L2DSPHDLC:
-		err = data_sock_create(net, sock, proto);
+		err = data_sock_create(net, sock, proto, kern);
 		break;
 	default:
 		return err;

drivers/net/macvtap.c

@@ -476,7 +476,7 @@ static int macvtap_open(struct inode *inode, struct file *file)
 
 	err = -ENOMEM;
 	q = (struct macvtap_queue *)sk_alloc(net, AF_UNSPEC, GFP_KERNEL,
-					     &macvtap_proto);
+					     &macvtap_proto, 0);
 	if (!q)
 		goto out;
 

drivers/net/ppp/pppoe.c

@@ -546,11 +546,11 @@ static struct proto pppoe_sk_proto __read_mostly = {
  * Initialize a new struct sock.
  *
  **********************************************************************/
-static int pppoe_create(struct net *net, struct socket *sock)
+static int pppoe_create(struct net *net, struct socket *sock, int kern)
 {
 	struct sock *sk;
 
-	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pppoe_sk_proto);
+	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pppoe_sk_proto, kern);
 	if (!sk)
 		return -ENOMEM;
 

drivers/net/ppp/pppox.c

@@ -118,7 +118,7 @@ static int pppox_create(struct net *net, struct socket *sock, int protocol,
 	    !try_module_get(pppox_protos[protocol]->owner))
 		goto out;
 
-	rc = pppox_protos[protocol]->create(net, sock);
+	rc = pppox_protos[protocol]->create(net, sock, kern);
 
 	module_put(pppox_protos[protocol]->owner);
 out:

drivers/net/ppp/pptp.c

@@ -561,14 +561,14 @@ static void pptp_sock_destruct(struct sock *sk)
 	skb_queue_purge(&sk->sk_receive_queue);
 }
 
-static int pptp_create(struct net *net, struct socket *sock)
+static int pptp_create(struct net *net, struct socket *sock, int kern)
 {
 	int error = -ENOMEM;
 	struct sock *sk;
 	struct pppox_sock *po;
 	struct pptp_opt *opt;
 
-	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pptp_sk_proto);
+	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pptp_sk_proto, kern);
 	if (!sk)
 		goto out;
 

drivers/net/tun.c

@@ -2148,7 +2148,7 @@ static int tun_chr_open(struct inode *inode, struct file * file)
 	DBG1(KERN_INFO, "tunX: tun_chr_open\n");
 
 	tfile = (struct tun_file *)sk_alloc(net, AF_UNSPEC, GFP_KERNEL,
-					    &tun_proto);
+					    &tun_proto, 0);
 	if (!tfile)
 		return -ENOMEM;
 	RCU_INIT_POINTER(tfile->tun, NULL);

include/linux/if_pppox.h

@@ -74,7 +74,7 @@ static inline struct sock *sk_pppox(struct pppox_sock *po)
 struct module;
 
 struct pppox_proto {
-	int		(*create)(struct net *net, struct socket *sock);
+	int		(*create)(struct net *net, struct socket *sock, int kern);
 	int		(*ioctl)(struct socket *sock, unsigned int cmd,
 				 unsigned long arg);
 	struct module	*owner;

include/net/af_vsock.h

@@ -74,7 +74,7 @@ void vsock_pending_work(struct work_struct *work);
 struct sock *__vsock_create(struct net *net,
 			    struct socket *sock,
 			    struct sock *parent,
-			    gfp_t priority, unsigned short type);
+			    gfp_t priority, unsigned short type, int kern);
 
 /**** TRANSPORT ****/
 

include/net/llc_conn.h

@@ -96,7 +96,7 @@ static __inline__ char llc_backlog_type(struct sk_buff *skb)
 }
 
 struct sock *llc_sk_alloc(struct net *net, int family, gfp_t priority,
-			  struct proto *prot);
+			  struct proto *prot, int kern);
 void llc_sk_free(struct sock *sk);
 
 void llc_sk_reset(struct sock *sk);