1 files changed, 6 insertions, 11 deletions

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index d3fe10be7219..86964b353c31 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -206,10 +206,11 @@ static void ip_expire(unsigned long arg)
 		struct sk_buff *head = qp->q.fragments;
 
 		/* Send an ICMP "Fragment Reassembly Timeout" message. */
-		if ((head->dev = dev_get_by_index(net, qp->iif)) != NULL) {
+		rcu_read_lock();
+		head->dev = dev_get_by_index_rcu(net, qp->iif);
+		if (head->dev)
 			icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0);
-			dev_put(head->dev);
-		}
+		rcu_read_unlock();
 	}
 out:
 	spin_unlock(&qp->q.lock);
@@ -603,7 +604,6 @@ static int zero;
 
 static struct ctl_table ip4_frags_ns_ctl_table[] = {
 	{
-		.ctl_name	= NET_IPV4_IPFRAG_HIGH_THRESH,
 		.procname	= "ipfrag_high_thresh",
 		.data		= &init_net.ipv4.frags.high_thresh,
 		.maxlen		= sizeof(int),
@@ -611,7 +611,6 @@ static struct ctl_table ip4_frags_ns_ctl_table[] = {
 		.proc_handler	= proc_dointvec
 	},
 	{
-		.ctl_name	= NET_IPV4_IPFRAG_LOW_THRESH,
 		.procname	= "ipfrag_low_thresh",
 		.data		= &init_net.ipv4.frags.low_thresh,
 		.maxlen		= sizeof(int),
@@ -619,26 +618,22 @@ static struct ctl_table ip4_frags_ns_ctl_table[] = {
 		.proc_handler	= proc_dointvec
 	},
 	{
-		.ctl_name	= NET_IPV4_IPFRAG_TIME,
 		.procname	= "ipfrag_time",
 		.data		= &init_net.ipv4.frags.timeout,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_jiffies,
-		.strategy	= sysctl_jiffies
 	},
 	{ }
 };
 
 static struct ctl_table ip4_frags_ctl_table[] = {
 	{
-		.ctl_name	= NET_IPV4_IPFRAG_SECRET_INTERVAL,
 		.procname	= "ipfrag_secret_interval",
 		.data		= &ip4_frags.secret_interval,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_jiffies,
-		.strategy	= sysctl_jiffies
 	},
 	{
 		.procname	= "ipfrag_max_dist",
@@ -657,7 +652,7 @@ static int ip4_frags_ns_ctl_register(struct net *net)
 	struct ctl_table_header *hdr;
 
 	table = ip4_frags_ns_ctl_table;
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		table = kmemdup(table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL);
 		if (table == NULL)
 			goto err_alloc;
@@ -675,7 +670,7 @@ static int ip4_frags_ns_ctl_register(struct net *net)
 	return 0;
 
 err_reg:
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		kfree(table);
 err_alloc:
 	return -ENOMEM;