[INET]: local port range robustness

[h-e-n] / net / ipv4 / udp.c

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ef4d901..cb9fc58 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -147,11 +147,11 @@ int __udp_lib_get_port(struct sock *sk, unsigned short snum,
        write_lock_bh(&udp_hash_lock);
 
        if (!snum) {
-               int i;
-               int low = sysctl_local_port_range[0];
-               int high = sysctl_local_port_range[1];
+               int i, low, high;
                unsigned rover, best, best_size_so_far;
 
+               inet_get_local_port_range(&low, &high);
+
                best_size_so_far = UINT_MAX;
                best = rover = net_random() % (high - low) + low;