4.4-stable review patch. If anyone has any objections, please let me know.
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From: Nazarov Sergey s-nazarov@yandex.ru
[ Upstream commit 9ef6b42ad6fd7929dd1b6092cb02014e382c6a91 ]
Add __icmp_send function having ip_options struct parameter
Signed-off-by: Sergey Nazarov s-nazarov@yandex.ru Reviewed-by: Paul Moore paul@paul-moore.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/net/icmp.h | 9 ++++++++- net/ipv4/icmp.c | 7 ++++--- 2 files changed, 12 insertions(+), 4 deletions(-)
--- a/include/net/icmp.h +++ b/include/net/icmp.h @@ -22,6 +22,7 @@
#include <net/inet_sock.h> #include <net/snmp.h> +#include <net/ip.h>
struct icmp_err { int errno; @@ -39,7 +40,13 @@ struct net_proto_family; struct sk_buff; struct net;
-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info); +void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info, + const struct ip_options *opt); +static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) +{ + __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt); +} + int icmp_rcv(struct sk_buff *skb); void icmp_err(struct sk_buff *skb, u32 info); int icmp_init(void); --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -565,7 +565,8 @@ relookup_failed: * MUST reply to only the first fragment. */
-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) +void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info, + const struct ip_options *opt) { struct iphdr *iph; int room; @@ -679,7 +680,7 @@ void icmp_send(struct sk_buff *skb_in, i iph->tos; mark = IP4_REPLY_MARK(net, skb_in->mark);
- if (ip_options_echo(&icmp_param->replyopts.opt.opt, skb_in)) + if (__ip_options_echo(&icmp_param->replyopts.opt.opt, skb_in, opt)) goto out_unlock;
@@ -731,7 +732,7 @@ out_free: kfree(icmp_param); out:; } -EXPORT_SYMBOL(icmp_send); +EXPORT_SYMBOL(__icmp_send);
static void icmp_socket_deliver(struct sk_buff *skb, u32 info)