diff options
Diffstat (limited to 'net/ipv4/ip_fragment.c')
| -rw-r--r-- | net/ipv4/ip_fragment.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 575f9bd51cc..b007f8af6e1 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); |