3 files changed, 20 insertions, 22 deletions

diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index fa2a9bdd1866..dc7c7ec43202 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -257,7 +257,7 @@ struct ppp_net {
 /* Prototypes. */
 static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
 			struct file *file, unsigned int cmd, unsigned long arg);
-static void ppp_xmit_process(struct ppp *ppp);
+static void ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb);
 static void ppp_send_frame(struct ppp *ppp, struct sk_buff *skb);
 static void ppp_push(struct ppp *ppp);
 static void ppp_channel_push(struct channel *pch);
@@ -513,13 +513,12 @@ static ssize_t ppp_write(struct file *file, const char __user *buf,
 		goto out;
 	}
 
-	skb_queue_tail(&pf->xq, skb);
-
 	switch (pf->kind) {
 	case INTERFACE:
-		ppp_xmit_process(PF_TO_PPP(pf));
+		ppp_xmit_process(PF_TO_PPP(pf), skb);
 		break;
 	case CHANNEL:
+		skb_queue_tail(&pf->xq, skb);
 		ppp_channel_push(PF_TO_CHANNEL(pf));
 		break;
 	}
@@ -1267,8 +1266,8 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	put_unaligned_be16(proto, pp);
 
 	skb_scrub_packet(skb, !net_eq(ppp->ppp_net, dev_net(dev)));
-	skb_queue_tail(&ppp->file.xq, skb);
-	ppp_xmit_process(ppp);
+	ppp_xmit_process(ppp, skb);
+
 	return NETDEV_TX_OK;
 
  outf:
@@ -1420,13 +1419,14 @@ static void ppp_setup(struct net_device *dev)
  */
 
 /* Called to do any work queued up on the transmit side that can now be done */
-static void __ppp_xmit_process(struct ppp *ppp)
+static void __ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb)
 {
-	struct sk_buff *skb;
-
 	ppp_xmit_lock(ppp);
 	if (!ppp->closing) {
 		ppp_push(ppp);
+
+		if (skb)
+			skb_queue_tail(&ppp->file.xq, skb);
 		while (!ppp->xmit_pending &&
 		       (skb = skb_dequeue(&ppp->file.xq)))
 			ppp_send_frame(ppp, skb);
@@ -1440,7 +1440,7 @@ static void __ppp_xmit_process(struct ppp *ppp)
 	ppp_xmit_unlock(ppp);
 }
 
-static void ppp_xmit_process(struct ppp *ppp)
+static void ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb)
 {
 	local_bh_disable();
 
@@ -1448,7 +1448,7 @@ static void ppp_xmit_process(struct ppp *ppp)
 		goto err;
 
 	(*this_cpu_ptr(ppp->xmit_recursion))++;
-	__ppp_xmit_process(ppp);
+	__ppp_xmit_process(ppp, skb);
 	(*this_cpu_ptr(ppp->xmit_recursion))--;
 
 	local_bh_enable();
@@ -1458,6 +1458,8 @@ static void ppp_xmit_process(struct ppp *ppp)
 err:
 	local_bh_enable();
 
+	kfree_skb(skb);
+
 	if (net_ratelimit())
 		netdev_err(ppp->dev, "recursion detected\n");
 }
@@ -1684,7 +1686,7 @@ ppp_push(struct ppp *ppp)
 
 #ifdef CONFIG_PPP_MULTILINK
 static bool mp_protocol_compress __read_mostly = true;
-module_param(mp_protocol_compress, bool, S_IRUGO | S_IWUSR);
+module_param(mp_protocol_compress, bool, 0644);
 MODULE_PARM_DESC(mp_protocol_compress,
 		 "compress protocol id in multilink fragments");
 
@@ -1942,7 +1944,7 @@ static void __ppp_channel_push(struct channel *pch)
 	if (skb_queue_empty(&pch->file.xq)) {
 		ppp = pch->ppp;
 		if (ppp)
-			__ppp_xmit_process(ppp);
+			__ppp_xmit_process(ppp, NULL);
 	}
 }
 
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index 5aa59f41bf8c..1483bc7b01e1 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -714,7 +714,7 @@ err_put:
 }
 
 static int pppoe_getname(struct socket *sock, struct sockaddr *uaddr,
-		  int *usockaddr_len, int peer)
+		  int peer)
 {
 	int len = sizeof(struct sockaddr_pppox);
 	struct sockaddr_pppox sp;
@@ -726,9 +726,7 @@ static int pppoe_getname(struct socket *sock, struct sockaddr *uaddr,
 
 	memcpy(uaddr, &sp, len);
 
-	*usockaddr_len = len;
-
-	return 0;
+	return len;
 }
 
 static int pppoe_ioctl(struct socket *sock, unsigned int cmd,
@@ -1144,7 +1142,7 @@ static __net_init int pppoe_init_net(struct net *net)
 
 	rwlock_init(&pn->hash_lock);
 
-	pde = proc_create("pppoe", S_IRUGO, net->proc_net, &pppoe_seq_fops);
+	pde = proc_create("pppoe", 0444, net->proc_net, &pppoe_seq_fops);
 #ifdef CONFIG_PROC_FS
 	if (!pde)
 		return -ENOMEM;
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 6dde9a0cfe76..8249d46a7844 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -483,7 +483,7 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr,
 }
 
 static int pptp_getname(struct socket *sock, struct sockaddr *uaddr,
-	int *usockaddr_len, int peer)
+	int peer)
 {
 	int len = sizeof(struct sockaddr_pppox);
 	struct sockaddr_pppox sp;
@@ -496,9 +496,7 @@ static int pptp_getname(struct socket *sock, struct sockaddr *uaddr,
 
 	memcpy(uaddr, &sp, len);
 
-	*usockaddr_len = len;
-
-	return 0;
+	return len;
 }
 
 static int pptp_release(struct socket *sock)