X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fnet%2Fsched%2Fcls_rsvp.h;fp=kernel%2Fnet%2Fsched%2Fcls_rsvp.h;h=9992dfac693886bf5502f3aac8a549d09fc2bdd3;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=f9c9fc075fe65402c531ada58be9e4b916d282cd;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/net/sched/cls_rsvp.h b/kernel/net/sched/cls_rsvp.h
index f9c9fc075..9992dfac6 100644
--- a/kernel/net/sched/cls_rsvp.h
+++ b/kernel/net/sched/cls_rsvp.h
@@ -152,7 +152,8 @@ static int rsvp_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 		return -1;
 	nhptr = ip_hdr(skb);
 #endif
-
+	if (unlikely(!head))
+		return -1;
 restart:
 
 #if RSVP_DST_LEN == 4