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Code Issues Releases Wiki Activity

xt_DHCPMAC: replace skb_make_writable with skb_ensure_writable

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skb_make_writable was removed from the kernel in
v5.3-rc1~140^2~370^2~1 , and its callers were converted to use
skb_ensure_writable. Updated dhcpmac_tg() accordingly.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
This commit is contained in:
Jeremy Sowden
2019-08-11 14:09:26 +01:00
committed by Jan Engelhardt
parent ebcd176822
commit b14728691d
1 changed files with 2 additions and 1 deletions
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3
extensions/xt_DHCPMAC.c
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@@ -96,7 +96,8 @@ dhcpmac_tg(struct sk_buff *skb, const struct xt_action_param *par)
struct udphdr udpbuf, *udph;
unsigned int i;
if (!skb_make_writable(skb, 0))
if (skb_ensure_writable(skb, ip_hdrlen(skb) + sizeof(udpbuf) +
sizeof(dhcpbuf)))
return NF_DROP;
udph = skb_header_pointer(skb, ip_hdrlen(skb),