diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/core.c b/net/netfilter/core.c index a84478ee2ded..3aaabec70d19 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -203,7 +203,9 @@ int skb_make_writable(struct sk_buff **pskb, unsigned int writable_len) return 0; /* Not exclusive use of packet? Must copy. */ - if (skb_shared(*pskb) || skb_cloned(*pskb)) + if (skb_cloned(*pskb) && !skb_clone_writable(*pskb, writable_len)) + goto copy_skb; + if (skb_shared(*pskb)) goto copy_skb; return pskb_may_pull(*pskb, writable_len); |