diff options
| -rw-r--r-- | net/core/skbuff.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 68192e477ff1..8da53d5b76fc 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -6858,7 +6858,7 @@ int skb_mpls_dec_ttl(struct sk_buff *skb) lse = be32_to_cpu(mpls_hdr(skb)->label_stack_entry); ttl = (lse & MPLS_LS_TTL_MASK) >> MPLS_LS_TTL_SHIFT; - if (!--ttl) + if (!ttl || !--ttl) return -EINVAL; lse &= ~MPLS_LS_TTL_MASK; |