Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [NET]: Fix possible dev_deactivate race condition
  [INET]: Justification for local port range robustness.
  [PACKET]: Kill unused pg_vec_endpage() function
  [NET]: QoS/Sched as menuconfig
  [NET]: Fix bug in sk_filter race cures.
  [PATCH] mac80211: make ieee802_11_parse_elems return void

1 files changed, 2 insertions, 1 deletions

diff --git a/net/core/filter.c b/net/core/filter.c
index 1f0068eae501..e0a06942c025 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -447,7 +447,8 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk)
         rcu_assign_pointer(sk->sk_filter, fp);
         rcu_read_unlock_bh();
 
-        sk_filter_delayed_uncharge(sk, old_fp);
+        if (old_fp)
+                sk_filter_delayed_uncharge(sk, old_fp);
         return 0;
 }