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| author | Miaohe Lin <linmiaohe@huawei.com> | 2020-08-25 07:40:48 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-25 06:20:10 -0700 |
| commit | 0ce779a9f50108c26541b54c12a0808ba1be103a (patch) | |
| tree | ca9c4fb10d74c4346125d91877a6c843bb526724 /net | |
| parent | 0316a211168dd94c4d3b81c91e76fac4f2714544 (diff) | |
| download | linux-stable-0ce779a9f50108c26541b54c12a0808ba1be103a.tar.gz linux-stable-0ce779a9f50108c26541b54c12a0808ba1be103a.tar.bz2 linux-stable-0ce779a9f50108c26541b54c12a0808ba1be103a.zip | |
net: Avoid unnecessary inet_addr_type() call when addr is INADDR_ANY
We can avoid unnecessary inet_addr_type() call by check addr against
INADDR_ANY first.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ping.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index cc09d1135ce2..19a947bf0faa 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -310,10 +310,10 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n", sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port)); - chk_addr_ret = inet_addr_type(net, addr->sin_addr.s_addr); - if (addr->sin_addr.s_addr == htonl(INADDR_ANY)) chk_addr_ret = RTN_LOCAL; + else + chk_addr_ret = inet_addr_type(net, addr->sin_addr.s_addr); if ((!inet_can_nonlocal_bind(net, isk) && chk_addr_ret != RTN_LOCAL) || |