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ipv6: silence compilation warning for non-IPV6 builds

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commit 1faba27f11c8da244e793546a1b35a9b1da8208e upstream.

The W=1 compilation of allmodconfig generates the following warning:

net/ipv6/icmp.c:448:6: warning: no previous prototype for 'icmp6_send' [-Wmissing-prototypes]
  448 | void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
      |      ^~~~~~~~~~

Fix it by providing function declaration for builds with ipv6 as a module.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Leon Romanovsky 2021-02-03 15:51:09 +02:00 committed by Greg Kroah-Hartman
parent 13e83186c9
commit b60108e72f
1 changed files with 1 additions and 1 deletions
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2
include/linux/icmpv6.h
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@ -16,9 +16,9 @@ static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info,
const struct in6_addr *force_saddr);
#if IS_BUILTIN(CONFIG_IPV6)
void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
const struct in6_addr *force_saddr);
#if IS_BUILTIN(CONFIG_IPV6)
static inline void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
{
icmp6_send(skb, type, code, info, NULL);