sysctl: remove "struct file *" argument of ->proc_handler

[safe/jmp/linux-2.6] / net / ipv4 / route.c

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index fafbe16..bb41992 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1514,13 +1514,17 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
 void ip_rt_send_redirect(struct sk_buff *skb)
 {
        struct rtable *rt = skb_rtable(skb);
-       struct in_device *in_dev = in_dev_get(rt->u.dst.dev);
+       struct in_device *in_dev;
+       int log_martians;
 
-       if (!in_dev)
+       rcu_read_lock();
+       in_dev = __in_dev_get_rcu(rt->u.dst.dev);
+       if (!in_dev || !IN_DEV_TX_REDIRECTS(in_dev)) {
+               rcu_read_unlock();
                return;
-
-       if (!IN_DEV_TX_REDIRECTS(in_dev))
-               goto out;
+       }
+       log_martians = IN_DEV_LOG_MARTIANS(in_dev);
+       rcu_read_unlock();
 
        /* No redirected packets during ip_rt_redirect_silence;
         * reset the algorithm.
@@ -1533,7 +1537,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
         */
        if (rt->u.dst.rate_tokens >= ip_rt_redirect_number) {
                rt->u.dst.rate_last = jiffies;
-               goto out;
+               return;
        }
 
        /* Check for load limit; set rate_last to the latest sent
@@ -1547,7 +1551,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
                rt->u.dst.rate_last = jiffies;
                ++rt->u.dst.rate_tokens;
 #ifdef CONFIG_IP_ROUTE_VERBOSE
-               if (IN_DEV_LOG_MARTIANS(in_dev) &&
+               if (log_martians &&
                    rt->u.dst.rate_tokens == ip_rt_redirect_number &&
                    net_ratelimit())
                        printk(KERN_WARNING "host %pI4/if%d ignores redirects for %pI4 to %pI4.\n",
@@ -1555,8 +1559,6 @@ void ip_rt_send_redirect(struct sk_buff *skb)
                                &rt->rt_dst, &rt->rt_gateway);
 #endif
        }
-out:
-       in_dev_put(in_dev);
 }
 
 static int ip_error(struct sk_buff *skb)
@@ -3034,7 +3036,7 @@ void ip_rt_multicast_event(struct in_device *in_dev)
 
 #ifdef CONFIG_SYSCTL
 static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write,
-                                       struct file *filp, void __user *buffer,
+                                       void __user *buffer,
                                        size_t *lenp, loff_t *ppos)
 {
        if (write) {
@@ -3044,7 +3046,7 @@ static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write,
 
                memcpy(&ctl, __ctl, sizeof(ctl));
                ctl.data = &flush_delay;
-               proc_dointvec(&ctl, write, filp, buffer, lenp, ppos);
+               proc_dointvec(&ctl, write, buffer, lenp, ppos);
 
                net = (struct net *)__ctl->extra1;
                rt_cache_flush(net, flush_delay);
@@ -3104,12 +3106,11 @@ static void rt_secret_reschedule(int old)
 }
 
 static int ipv4_sysctl_rt_secret_interval(ctl_table *ctl, int write,
-                                         struct file *filp,
                                          void __user *buffer, size_t *lenp,
                                          loff_t *ppos)
 {
        int old = ip_rt_secret_interval;
-       int ret = proc_dointvec_jiffies(ctl, write, filp, buffer, lenp, ppos);
+       int ret = proc_dointvec_jiffies(ctl, write, buffer, lenp, ppos);
 
        rt_secret_reschedule(old);
 
@@ -3412,7 +3413,7 @@ int __init ip_rt_init(void)
                alloc_large_system_hash("IP route cache",
                                        sizeof(struct rt_hash_bucket),
                                        rhash_entries,
-                                       (num_physpages >= 128 * 1024) ?
+                                       (totalram_pages >= 128 * 1024) ?
                                        15 : 17,
                                        0,
                                        &rt_hash_log,