diff options
| author | WANG Cong <xiyou.wangcong@gmail.com> | 2014-05-13 03:04:53 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-14 23:31:45 +0400 |
| commit | 122ff243f5f104194750ecbc76d5946dd1eec934 (patch) | |
| tree | 189020a4d2404ef567785458fee38992e14ca97d /include/net/ip.h | |
| parent | 9cc5e36d1c4794939deafd9f43bce2eab9c1142d (diff) | |
| download | linux-122ff243f5f104194750ecbc76d5946dd1eec934.tar.xz | |
ipv4: make ip_local_reserved_ports per netns
ip_local_port_range is already per netns, so should ip_local_reserved_ports
be. And since it is none by default we don't actually need it when we don't
enable CONFIG_SYSCTL.
By the way, rename inet_is_reserved_local_port() to inet_is_local_reserved_port()
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 14c50a1650ef..512bcd5dabac 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -208,11 +208,19 @@ static inline u64 snmp_fold_field64(void __percpu *mib, int offt, size_t syncp_o void inet_get_local_port_range(struct net *net, int *low, int *high); -extern unsigned long *sysctl_local_reserved_ports; -static inline int inet_is_reserved_local_port(int port) +#if CONFIG_SYSCTL +static inline int inet_is_local_reserved_port(struct net *net, int port) { - return test_bit(port, sysctl_local_reserved_ports); + if (!net->ipv4.sysctl_local_reserved_ports) + return 0; + return test_bit(port, net->ipv4.sysctl_local_reserved_ports); } +#else +static inline int inet_is_local_reserved_port(struct net *net, int port) +{ + return 0; +} +#endif extern int sysctl_ip_nonlocal_bind; |