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net: ip_append_data() optim

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Compiler is not smart enough to avoid a conditional branch.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-08-24 14:45:09 -07:00
committed by David S. Miller
parent c32d83c042
commit ec550d246e
1 changed files with 3 additions and 4 deletions
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7
net/ipv4/ip_output.c
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@@ -837,10 +837,9 @@ int ip_append_data(struct sock *sk,
inet->cork.length = 0; inet->cork.length = 0;
sk->sk_sndmsg_page = NULL; sk->sk_sndmsg_page = NULL;
sk->sk_sndmsg_off = 0; sk->sk_sndmsg_off = 0;
if ((exthdrlen = rt->dst.header_len) != 0) { exthdrlen = rt->dst.header_len;
length += exthdrlen; length += exthdrlen;
transhdrlen += exthdrlen; transhdrlen += exthdrlen;
}
} else { } else {
rt = (struct rtable *)inet->cork.dst; rt = (struct rtable *)inet->cork.dst;
if (inet->cork.flags & IPCORK_OPT) if (inet->cork.flags & IPCORK_OPT)