diff options
| author |   Florian Westphal <fw@strlen.de> | 2019-05-23 15:44:12 +0200 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2019-05-31 18:02:48 +0200 |
| commit | 2cf6bffc49dae26edd12af6b57c8c780590380bf (patch) | |
| tree | 30fb1aebc6221f7164f0dfb82fc5895c9f4243e1 /net/netfilter/core.c | |
| parent | netfilter: tcpmss, optstrip: prefer skb_ensure_writable (diff) | |
| download | linux-dev-2cf6bffc49dae26edd12af6b57c8c780590380bf.tar.xz linux-dev-2cf6bffc49dae26edd12af6b57c8c780590380bf.zip | |
netfilter: replace skb_make_writable with skb_ensure_writable
This converts all remaining users and then removes skb_make_writable.
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/core.c')
| -rw-r--r-- | net/netfilter/core.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/net/netfilter/core.c b/net/netfilter/core.c index b96fd3f54705..817a9e5d16e4 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -536,28 +536,6 @@ int nf_hook_slow(struct sk_buff *skb, struct nf_hook_state *state, } EXPORT_SYMBOL(nf_hook_slow); - -int skb_make_writable(struct sk_buff *skb, unsigned int writable_len) -{ - if (writable_len > skb->len) - return 0; - - /* Not exclusive use of packet? Must copy. */ - if (!skb_cloned(skb)) { - if (writable_len <= skb_headlen(skb)) - return 1; - } else if (skb_clone_writable(skb, writable_len)) - return 1; - - if (writable_len <= skb_headlen(skb)) - writable_len = 0; - else - writable_len -= skb_headlen(skb); - - return !!__pskb_pull_tail(skb, writable_len); -} -EXPORT_SYMBOL(skb_make_writable); - /* This needs to be compiled in any case to avoid dependencies between the * nfnetlink_queue code and nf_conntrack. */ |