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ipv6: fix illegal mac_header comparison on 32bit 

Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hannes Frederic Sowa 2013-12-13 15:12:27 +01:00 committed by Greg Kroah-Hartman
parent 02cbaec37a
commit 36ffb57086
2 changed files with 6 additions and 1 deletions
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5
include/linux/skbuff.h
View File

@ -1741,6 +1741,11 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset)
}
#endif /* NET_SKBUFF_DATA_USES_OFFSET */
static inline void skb_pop_mac_header(struct sk_buff *skb)
{
skb->mac_header = skb->network_header;
}
static inline void skb_probe_transport_header(struct sk_buff *skb,
const int offset_hint)
{

2
net/ipv6/udp_offload.c
View File

@ -85,7 +85,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
/* Check if there is enough headroom to insert fragment header. */
tnl_hlen = skb_tnl_header_len(skb);
if (skb->mac_header < (tnl_hlen + frag_hdr_sz)) {
if (skb_mac_header(skb) < skb->head + tnl_hlen + frag_hdr_sz) {
if (gso_pskb_expand_head(skb, tnl_hlen + frag_hdr_sz))
goto out;
}