1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index aba3ff0bec97..54b7543190f1 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -539,7 +539,7 @@ static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
 static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 {
         struct sk_buff *skb;
-        int ihl = pkt->nh.iph->ihl<<2;
+        const int ihl = ip_hdrlen(pkt);
         struct igmphdr *igmp;
         struct igmpmsg *msg;
         int ret;