[NET]: Conditionally use bh_lock_sock_nested in sk_receive_skb

Spotted by Ian McDonald, tentatively fixed by Gerrit Renker:

http://www.mail-archive.com/dccp%40vger.kernel.org/msg00599.html

Rewritten not to unroll sk_receive_skb, in the common case, i.e. no lock
debugging, its optimized away.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 6eda430ae92..03bb8298250 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -888,7 +888,7 @@ static int dccp_v6_rcv(struct sk_buff **pskb)
         if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb))
                 goto discard_and_relse;
 
-        return sk_receive_skb(sk, skb) ? -1 : 0;
+        return sk_receive_skb(sk, skb, 1) ? -1 : 0;
 
 no_dccp_socket:
         if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb))