1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index 4e1da1645b15..5aa59f41bf8c 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -842,6 +842,7 @@ static int pppoe_sendmsg(struct socket *sock, struct msghdr *m,
         struct pppoe_hdr *ph;
         struct net_device *dev;
         char *start;
+        int hlen;
 
         lock_sock(sk);
         if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED)) {
@@ -860,16 +861,16 @@ static int pppoe_sendmsg(struct socket *sock, struct msghdr *m,
         if (total_len > (dev->mtu + dev->hard_header_len))
                 goto end;
 
-
-        skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32,
-                           0, GFP_KERNEL);
+        hlen = LL_RESERVED_SPACE(dev);
+        skb = sock_wmalloc(sk, hlen + sizeof(*ph) + total_len +
+                           dev->needed_tailroom, 0, GFP_KERNEL);
         if (!skb) {
                 error = -ENOMEM;
                 goto end;
         }
 
         /* Reserve space for headers. */
-        skb_reserve(skb, dev->hard_header_len);
+        skb_reserve(skb, hlen);
         skb_reset_network_header(skb);
 
         skb->dev = dev;
@@ -930,7 +931,7 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
         /* Copy the data if there is no space for the header or if it's
          * read-only.
          */
-        if (skb_cow_head(skb, sizeof(*ph) + dev->hard_header_len))
+        if (skb_cow_head(skb, LL_RESERVED_SPACE(dev) + sizeof(*ph)))
                 goto abort;
 
         __skb_push(skb, sizeof(*ph));