diff --git a/net/core/dev.c b/net/core/dev.c index 34b5322bc081..064919425b7d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4040,12 +4040,17 @@ static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev, { #ifdef CONFIG_NETFILTER_INGRESS if (nf_hook_ingress_active(skb)) { + int ingress_retval; + if (*pt_prev) { *ret = deliver_skb(skb, *pt_prev, orig_dev); *pt_prev = NULL; } - return nf_hook_ingress(skb); + rcu_read_lock(); + ingress_retval = nf_hook_ingress(skb); + rcu_read_unlock(); + return ingress_retval; } #endif /* CONFIG_NETFILTER_INGRESS */ return 0;