1 files changed, 1 insertions, 2 deletions

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 5ee56d0a8699..d64ee7e83664 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1574,9 +1574,8 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, unsigned int mtu)
                 return NULL;
 
         skb->priority = TC_PRIO_CONTROL;
-        skb->reserved_tailroom = skb_end_offset(skb) -
-                                 min(mtu, skb_end_offset(skb));
         skb_reserve(skb, hlen);
+        skb_tailroom_reserve(skb, mtu, tlen);
 
         if (__ipv6_get_lladdr(idev, &addr_buf, IFA_F_TENTATIVE)) {
                 /* <draft-ietf-magma-mld-source-05.txt>: