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    batman-adv: fix lockdep splat when doing mcast_free · af63cf51
    Simon Wunderlich 提交于
    While testing, we got something like this:
    
    WARNING: CPU: 0 PID: 238 at net/batman-adv/multicast.c:142 batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv]()
    [...]
    Call Trace:
    [<ffffffff815fc597>] dump_stack+0x4b/0x64
    [<ffffffff810b34dc>] warn_slowpath_common+0xbc/0x120
    [<ffffffffa0024ec5>] ? batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv]
    [<ffffffff810b3705>] warn_slowpath_null+0x15/0x20
    [<ffffffffa0024ec5>] batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv]
    [<ffffffffa00273fe>] batadv_mcast_free+0x36/0x39 [batman_adv]
    [<ffffffffa0020c77>] batadv_mesh_free+0x7d/0x13f [batman_adv]
    [<ffffffffa0036a6b>] batadv_softif_free+0x15/0x25 [batman_adv]
    [...]
    Signed-off-by: NSimon Wunderlich <simon@open-mesh.com>
    Signed-off-by: NMarek Lindner <mareklindner@neomailbox.ch>
    Signed-off-by: NAntonio Quartulli <a@unstable.cc>
    af63cf51
multicast.c 25.3 KB