Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / net / sched / cls_rsvp.h

diff --git a/kernel/net/sched/cls_rsvp.h b/kernel/net/sched/cls_rsvp.h
index f9c9fc0..9992dfa 100644 (file)
--- 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