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    Subject[PATCH 4.4 045/342] tipc: unlock in error path
    Date
    4.4-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Insu Yun <wuninsu@gmail.com>

    [ Upstream commit b53ce3e7d407aa4196877a48b8601181162ab158 ]

    tipc_bcast_unlock need to be unlocked in error path.

    Signed-off-by: Insu Yun <wuninsu@gmail.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    net/tipc/bcast.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    --- a/net/tipc/bcast.c
    +++ b/net/tipc/bcast.c
    @@ -399,8 +399,10 @@ int tipc_nl_add_bc_link(struct net *net,

    hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family,
    NLM_F_MULTI, TIPC_NL_LINK_GET);
    - if (!hdr)
    + if (!hdr) {
    + tipc_bcast_unlock(net);
    return -EMSGSIZE;
    + }

    attrs = nla_nest_start(msg->skb, TIPC_NLA_LINK);
    if (!attrs)
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