net: Make sure BHs are disabled in sock_prot_inuse_add()

The rule of calling sock_prot_inuse_add() is that BHs must
be disabled.  Some new calls were added where this was not
true and this tiggers warnings as reported by Ilpo.

Fix this by adding explicit BH disabling around those call sites.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 0c70eff0b75..f03af84edf6 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3614,7 +3614,11 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
 
 	SCTP_DBG_OBJCNT_INC(sock);
 	atomic_inc(&sctp_sockets_allocated);
+
+	local_bh_disable();
 	sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+	local_bh_enable();
+
 	return 0;
 }