X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fipv6%2Fmcast.c;h=d64ee7e8366492a439ab70ea7487bd3669800097;hb=91f2cf28e15ee69dcbd268c234317ed36daf6440;hp=5ee56d0a8699e22434d5ad8b4380f890fa8d2126;hpb=bcb4b619116569d071b26c6f33506459a560ab6a;p=firefly-linux-kernel-4.4.55.git

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>: