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netfilter: replace skb_make_writable with skb_ensure_writable

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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>
This commit is contained in:
Florian Westphal
2019-05-23 15:44:12 +02:00
committed by Pablo Neira Ayuso
parent fb2eb1c131
commit 2cf6bffc49
5 changed files with 6 additions and 33 deletions
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5
include/linux/netfilter.h
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@@ -336,11 +336,6 @@ int compat_nf_getsockopt(struct sock *sk, u_int8_t pf, int optval,
char __user *opt, int *len);
#endif
/* Call this before modifying an existing packet: ensures it is
modifiable and linear to the point you care about (writable_len).
Returns true or false. */
int skb_make_writable(struct sk_buff *skb, unsigned int writable_len);
struct flowi;
struct nf_queue_entry;