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authorEric Dumazet <edumazet@google.com>2014-09-27 18:50:55 +0200
committerDavid S. Miller <davem@davemloft.net>2014-09-28 22:35:42 +0200
commit24a2d43d8886f5a29c3cf108927f630c545a9a38 (patch)
treedd10e0199c6627b0eb93340f35d88d122c01f2ab /net/ipv4/ip_options.c
parentnet : optimize skb_release_data() (diff)
downloadlinux-24a2d43d8886f5a29c3cf108927f630c545a9a38.tar.xz
linux-24a2d43d8886f5a29c3cf108927f630c545a9a38.zip
ipv4: rename ip_options_echo to __ip_options_echo()
ip_options_echo() assumes struct ip_options is provided in &IPCB(skb)->opt Lets break this assumption, but provide a helper to not change all call points. ip_send_unicast_reply() gets a new struct ip_options pointer. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_options.c')
-rw-r--r--net/ipv4/ip_options.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index ad382499bace..5b3d91be2db0 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -87,17 +87,15 @@ void ip_options_build(struct sk_buff *skb, struct ip_options *opt,
* NOTE: dopt cannot point to skb.
*/
-int ip_options_echo(struct ip_options *dopt, struct sk_buff *skb)
+int __ip_options_echo(struct ip_options *dopt, struct sk_buff *skb,
+ const struct ip_options *sopt)
{
- const struct ip_options *sopt;
unsigned char *sptr, *dptr;
int soffset, doffset;
int optlen;
memset(dopt, 0, sizeof(struct ip_options));
- sopt = &(IPCB(skb)->opt);
-
if (sopt->optlen == 0)
return 0;