From: Eric Dumazet <dada1@cosmosbay.com>
Date: Tue, 25 Nov 2008 21:53:27 +0000 (-0800)
Subject: net: Make sure BHs are disabled in sock_prot_inuse_add()
X-Git-Tag: v2.6.29-rc1~581^2~487
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=5bc0b3bfa758e4ae49c94e31c1edb9a5f10a8060;p=linux-2.6-omap-h63xx.git

net: Make sure BHs are disabled in sock_prot_inuse_add()

prot->destroy is not called with BH disabled. So we must add
explicit BH disable around call to sock_prot_inuse_add()
in sctp_destroy_sock()

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f03af84edf6..ba81fe3ccab 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3633,7 +3633,9 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
 	ep = sctp_sk(sk)->ep;
 	sctp_endpoint_free(ep);
 	atomic_dec(&sctp_sockets_allocated);
+	local_bh_disable();
 	sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
+	local_bh_enable();
 }
 
 /* API 4.1.7 shutdown() - TCP Style Syntax