net: some optimizations in af_inet
1) Use eq_net() in inet_netns_ok() to speedup socket creation if
!CONFIG_NET_NS
2) Reorder the tests about inet_ehash_secret generation (once only)
Use the unlikely() macro when testing if inet_ehash_secret already
generated.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index b1462e8..fe03048 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -245,7 +245,7 @@
int hash;
struct net_protocol *ipprot;
- if (net == &init_net)
+ if (net_eq(net, &init_net))
return 1;
hash = protocol & (MAX_INET_PROTOS - 1);
@@ -272,10 +272,9 @@
int try_loading_module = 0;
int err;
- if (sock->type != SOCK_RAW &&
- sock->type != SOCK_DGRAM &&
- !inet_ehash_secret)
- build_ehash_secret();
+ if (unlikely(!inet_ehash_secret))
+ if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM)
+ build_ehash_secret();
sock->state = SS_UNCONNECTED;