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-rw-r--r--net/ipv4/netfilter/ipt_MASQUERADE.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 28b9233956b5..d669685afd04 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -127,10 +127,13 @@ masquerade_target(struct sk_buff **pskb,
static inline int
device_cmp(struct ip_conntrack *i, void *ifindex)
{
+ int ret;
#ifdef CONFIG_NF_NAT_NEEDED
struct nf_conn_nat *nat = nfct_nat(i);
+
+ if (!nat)
+ return 0;
#endif
- int ret;
read_lock_bh(&masq_lock);
#ifdef CONFIG_NF_NAT_NEEDED
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