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| author | Eric Dumazet <edumazet@google.com> | 2020-06-19 21:02:59 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-06-19 22:41:59 +0200 |
| commit | cc7a21b6fbd945f8d8f61422ccd27203c1fafeb7 (patch) | |
| tree | 90d5b4982f3d802d0e3c90f888aa74781bca6f43 /net/ipv6/ip6_icmp.c | |
| parent | Merge branch 'cxgb4-add-support-for-ethtool-n-tuple-filters' (diff) | |
| download | linux-cc7a21b6fbd945f8d8f61422ccd27203c1fafeb7.tar.xz linux-cc7a21b6fbd945f8d8f61422ccd27203c1fafeb7.zip | |
ipv6: icmp6: avoid indirect call for icmpv6_send()
If IPv6 is builtin, we do not need an expensive indirect call
to reach icmp6_send().
v2: put inline keyword before the type to avoid sparse warnings.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_icmp.c')
| -rw-r--r-- | net/ipv6/ip6_icmp.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv6/ip6_icmp.c b/net/ipv6/ip6_icmp.c index e0086758b6ee..70c8c2f36c98 100644 --- a/net/ipv6/ip6_icmp.c +++ b/net/ipv6/ip6_icmp.c @@ -9,6 +9,8 @@ #if IS_ENABLED(CONFIG_IPV6) +#if !IS_BUILTIN(CONFIG_IPV6) + static ip6_icmp_send_t __rcu *ip6_icmp_send; int inet6_register_icmp_sender(ip6_icmp_send_t *fn) @@ -37,14 +39,12 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info) rcu_read_lock(); send = rcu_dereference(ip6_icmp_send); - - if (!send) - goto out; - send(skb, type, code, info, NULL); -out: + if (send) + send(skb, type, code, info, NULL); rcu_read_unlock(); } EXPORT_SYMBOL(icmpv6_send); +#endif #if IS_ENABLED(CONFIG_NF_NAT) #include <net/netfilter/nf_conntrack.h> |