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ipv6: ndisc: fix ndisc_send_redirect writing to the wrong skb

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Since some refactoring in 5f5a011, ndisc_send_redirect called
ndisc_fill_redirect_hdr_option on the wrong skb, leading to data corruption or
in the worst case a panic when the skb_put failed.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matthias Schiffer 2013-05-31 03:27:55 +02:00 committed by David S. Miller
parent 32de868cbc
commit 33be081a81
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/ndisc.c
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@ -1493,7 +1493,7 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
*/
if (ha)
ndisc_fill_addr_option(skb, ND_OPT_TARGET_LL_ADDR, ha);
ndisc_fill_addr_option(buff, ND_OPT_TARGET_LL_ADDR, ha);
/*
* build redirect option and copy skb over to the new packet.