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net: fix compile error of implicit declaration of skb_probe_transport_header

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The commit 40893fd(net: switch to use skb_probe_transport_header())
involes a new error accidently. When NET_SKBUFF_DATA_USES_OFFSE is
not enabled, below compile error happens:

  CC      net/packet/af_packet.o
  net/packet/af_packet.c: In function ‘packet_sendmsg_spkt’:
  net/packet/af_packet.c:1516:2: error: implicit declaration of function ‘skb_probe_transport_header’ [-Werror=implicit-function-declaration]
  cc1: some warnings being treated as errors
  make[2]: *** [net/packet/af_packet.o] Error 1
  make[1]: *** [net/packet] Error 2
  make: *** [net] Error 2

As it seems skb_probe_transport_header() is not related to
NET_SKBUFF_DATA_USES_OFFSE, we should move the definition of
skb_probe_transport_header() out of scope of
NET_SKBUFF_DATA_USES_OFFSE macro.

Cc: Jason Wang <jasowang@redhat.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2013-03-27 16:46:06 +00:00 committed by David S. Miller
parent 429a22ca39
commit fbbdb8f096
1 changed files with 13 additions and 13 deletions
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26
include/linux/skbuff.h
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@ -1560,19 +1560,6 @@ static inline void skb_set_transport_header(struct sk_buff *skb,
skb->transport_header += offset;
}
static inline void skb_probe_transport_header(struct sk_buff *skb,
const int offset_hint)
{
struct flow_keys keys;
if (skb_transport_header_was_set(skb))
return;
else if (skb_flow_dissect(skb, &keys))
skb_set_transport_header(skb, keys.thoff);
else
skb_set_transport_header(skb, offset_hint);
}
static inline unsigned char *skb_network_header(const struct sk_buff *skb)
{
return skb->head + skb->network_header;
@ -1716,6 +1703,19 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset)
}
#endif /* NET_SKBUFF_DATA_USES_OFFSET */
static inline void skb_probe_transport_header(struct sk_buff *skb,
const int offset_hint)
{
struct flow_keys keys;
if (skb_transport_header_was_set(skb))
return;
else if (skb_flow_dissect(skb, &keys))
skb_set_transport_header(skb, keys.thoff);
else
skb_set_transport_header(skb, offset_hint);
}
static inline void skb_mac_header_rebuild(struct sk_buff *skb)
{
if (skb_mac_header_was_set(skb)) {