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    Subject[patch 51/67] IPV6: bh_lock_sock_nested on tcp_v6_rcv

    -stable review patch. If anyone has any objections, please let us know.

    ------------------
    From: Fabio Olive Leite <fleite@redhat.com>

    A while ago Ingo patched tcp_v4_rcv on net/ipv4/tcp_ipv4.c to use
    bh_lock_sock_nested and silence a lock validator warning. This fixed
    it for IPv4, but recently I saw a report of the same warning on IPv6.

    Signed-off-by: Andrew Morton <akpm@osdl.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    net/ipv6/tcp_ipv6.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- linux-2.6.18.orig/net/ipv6/tcp_ipv6.c
    +++ linux-2.6.18/net/ipv6/tcp_ipv6.c
    @@ -1228,7 +1228,7 @@ process:

    skb->dev = NULL;

    - bh_lock_sock(sk);
    + bh_lock_sock_nested(sk);
    ret = 0;
    if (!sock_owned_by_user(sk)) {
    #ifdef CONFIG_NET_DMA
    --
    -
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