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Date: Fri, 22 Mar 2019 12:13:27 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Sergey Nazarov <s-nazarov@...dex.ru>, Paul Moore <paul@...l-moore.com>, "David S. Miller" <davem@...emloft.net> Subject: [PATCH 4.4 069/230] net: Add __icmp_send helper. 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nazarov Sergey <s-nazarov@...dex.ru> [ Upstream commit 9ef6b42ad6fd7929dd1b6092cb02014e382c6a91 ] Add __icmp_send function having ip_options struct parameter Signed-off-by: Sergey Nazarov <s-nazarov@...dex.ru> Reviewed-by: Paul Moore <paul@...l-moore.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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)
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