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| author | Ingo Molnar <mingo@elte.hu> | 2008-05-29 16:05:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-05-29 16:05:05 +0200 |
| commit | 6715930654e06c4d2e66e718ea159079f71838f4 (patch) | |
| tree | 6a0a19fb62f3e99cb5f6bf6c34ae541f7c30fb42 /drivers/net/pppol2tp.c | |
| parent | ea3f01f8afd3bc5daff915cc4ea5cc5ea9e7d427 (diff) | |
| parent | e490517a039a99d692cb3a5561941b0a5f576172 (diff) | |
| download | blackbird-op-linux-6715930654e06c4d2e66e718ea159079f71838f4.tar.gz blackbird-op-linux-6715930654e06c4d2e66e718ea159079f71838f4.zip | |
Merge commit 'linus/master' into sched-fixes-for-linus
Diffstat (limited to 'drivers/net/pppol2tp.c')
| -rw-r--r-- | drivers/net/pppol2tp.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index 79359919335b..8db342f2fdc9 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -980,6 +980,8 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) __wsum csum = 0; struct udphdr *uh; unsigned int len; + int old_headroom; + int new_headroom; if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED)) goto abort; @@ -1001,16 +1003,18 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) /* Check that there's enough headroom in the skb to insert IP, * UDP and L2TP and PPP headers. If not enough, expand it to - * make room. Note that a new skb (or a clone) is - * allocated. If we return an error from this point on, make - * sure we free the new skb but do not free the original skb - * since that is done by the caller for the error case. + * make room. Adjust truesize. */ headroom = NET_SKB_PAD + sizeof(struct iphdr) + sizeof(struct udphdr) + hdr_len + sizeof(ppph); + old_headroom = skb_headroom(skb); if (skb_cow_head(skb, headroom)) goto abort; + new_headroom = skb_headroom(skb); + skb_orphan(skb); + skb->truesize += new_headroom - old_headroom; + /* Setup PPP header */ __skb_push(skb, sizeof(ppph)); skb->data[0] = ppph[0]; @@ -1065,7 +1069,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) /* Get routing info from the tunnel socket */ dst_release(skb->dst); skb->dst = dst_clone(__sk_dst_get(sk_tun)); - skb_orphan(skb); skb->sk = sk_tun; /* Queue the packet to IP for output */ |
