diff options
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index e0689fd7b798..1bb10df8ce7d 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -26,16 +26,13 @@ static int tcp_retr1_max = 255; static int ip_local_port_range_min[] = { 1, 1 }; static int ip_local_port_range_max[] = { 65535, 65535 }; -extern seqlock_t sysctl_port_range_lock; -extern int sysctl_local_port_range[2]; - /* Update system visible IP port range */ static void set_local_port_range(int range[2]) { - write_seqlock(&sysctl_port_range_lock); - sysctl_local_port_range[0] = range[0]; - sysctl_local_port_range[1] = range[1]; - write_sequnlock(&sysctl_port_range_lock); + write_seqlock(&sysctl_local_ports.lock); + sysctl_local_ports.range[0] = range[0]; + sysctl_local_ports.range[1] = range[1]; + write_sequnlock(&sysctl_local_ports.lock); } /* Validate changes from /proc interface. */ @@ -44,8 +41,7 @@ static int ipv4_local_port_range(ctl_table *table, int write, struct file *filp, size_t *lenp, loff_t *ppos) { int ret; - int range[2] = { sysctl_local_port_range[0], - sysctl_local_port_range[1] }; + int range[2]; ctl_table tmp = { .data = &range, .maxlen = sizeof(range), @@ -54,6 +50,7 @@ static int ipv4_local_port_range(ctl_table *table, int write, struct file *filp, .extra2 = &ip_local_port_range_max, }; + inet_get_local_port_range(range, range + 1); ret = proc_dointvec_minmax(&tmp, write, filp, buffer, lenp, ppos); if (write && ret == 0) { @@ -67,14 +64,13 @@ static int ipv4_local_port_range(ctl_table *table, int write, struct file *filp, } /* Validate changes from sysctl interface. */ -static int ipv4_sysctl_local_port_range(ctl_table *table, int __user *name, - int nlen, void __user *oldval, +static int ipv4_sysctl_local_port_range(ctl_table *table, + void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen) { int ret; - int range[2] = { sysctl_local_port_range[0], - sysctl_local_port_range[1] }; + int range[2]; ctl_table tmp = { .data = &range, .maxlen = sizeof(range), @@ -83,7 +79,8 @@ static int ipv4_sysctl_local_port_range(ctl_table *table, int __user *name, .extra2 = &ip_local_port_range_max, }; - ret = sysctl_intvec(&tmp, name, nlen, oldval, oldlenp, newval, newlen); + inet_get_local_port_range(range, range + 1); + ret = sysctl_intvec(&tmp, oldval, oldlenp, newval, newlen); if (ret == 0 && newval && newlen) { if (range[1] < range[0]) ret = -EINVAL; @@ -112,8 +109,8 @@ static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file * return ret; } -static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name, - int nlen, void __user *oldval, +static int sysctl_tcp_congestion_control(ctl_table *table, + void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen) { @@ -125,7 +122,7 @@ static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name, int ret; tcp_get_default_congestion_control(val); - ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen); + ret = sysctl_string(&tbl, oldval, oldlenp, newval, newlen); if (ret == 1 && newval && newlen) ret = tcp_set_default_congestion_control(val); return ret; @@ -168,8 +165,8 @@ static int proc_allowed_congestion_control(ctl_table *ctl, return ret; } -static int strategy_allowed_congestion_control(ctl_table *table, int __user *name, - int nlen, void __user *oldval, +static int strategy_allowed_congestion_control(ctl_table *table, + void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen) @@ -182,7 +179,7 @@ static int strategy_allowed_congestion_control(ctl_table *table, int __user *nam return -ENOMEM; tcp_get_available_congestion_control(tbl.data, tbl.maxlen); - ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen); + ret = sysctl_string(&tbl, oldval, oldlenp, newval, newlen); if (ret == 1 && newval && newlen) ret = tcp_set_allowed_congestion_control(tbl.data); kfree(tbl.data); @@ -396,8 +393,8 @@ static struct ctl_table ipv4_table[] = { { .ctl_name = NET_IPV4_LOCAL_PORT_RANGE, .procname = "ip_local_port_range", - .data = &sysctl_local_port_range, - .maxlen = sizeof(sysctl_local_port_range), + .data = &sysctl_local_ports.range, + .maxlen = sizeof(sysctl_local_ports.range), .mode = 0644, .proc_handler = &ipv4_local_port_range, .strategy = &ipv4_sysctl_local_port_range, |