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[net-next,v1,1/4] ipv6: silence compilation warning for non-IPV6 builds

Message ID 20210203101612.4004322-2-leon@kernel.org
State New
Headers show
Series [net-next,v1,1/4] ipv6: silence compilation warning for non-IPV6 builds | expand

Commit Message

Leon Romanovsky Feb. 3, 2021, 10:16 a.m. UTC 
From: Leon Romanovsky <leonro@nvidia.com>

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>
---
 include/linux/icmpv6.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
2.29.2
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Patch

diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index 1b3371ae8193..452d8978ffc7 100644
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -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);