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path: root/net/ipv4/ip_fragment.c
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Diffstat (limited to 'net/ipv4/ip_fragment.c')
-rw-r--r--net/ipv4/ip_fragment.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 301a389fa7f..86964b353c3 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);
@@ -651,7 +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;
@@ -669,7 +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;