net is already set, derived from nf_conn.
I don't see how the device could be living in a different netns
than the conntrack entry.

Remove the extra variable and re-use existing one.

Signed-off-by: Florian Westphal <fw@strlen.de>
---
 net/netfilter/nf_conntrack_sip.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 939502ff7c87..182cfb119448 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -869,9 +869,8 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb, unsigned int protoff,
 		saddr = &ct->tuplehash[!dir].tuple.src.u3;
 	} else if (sip_external_media) {
 		struct net_device *dev = skb_dst(skb)->dev;
-		struct net *net = dev_net(dev);
-		struct flowi fl;
 		struct dst_entry *dst = NULL;
+		struct flowi fl;
 
 		memset(&fl, 0, sizeof(fl));
 
-- 
2.52.0