mei: release me_cl object reference
commit fc9c03ce30
upstream.
Allow me_cl object to be freed by releasing the reference
that was acquired by one of the search functions:
__mei_me_cl_by_uuid_id() or __mei_me_cl_by_uuid()
Cc: <stable@vger.kernel.org>
Reported-by: 亿一 <teroincn@gmail.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200512223140.32186-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
parent
f505a3e24c
commit
46f47dda27
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@ -266,6 +266,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid)
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down_write(&dev->me_clients_rwsem);
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me_cl = __mei_me_cl_by_uuid(dev, uuid);
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__mei_me_cl_del(dev, me_cl);
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mei_me_cl_put(me_cl);
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up_write(&dev->me_clients_rwsem);
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}
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@ -287,6 +288,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id)
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down_write(&dev->me_clients_rwsem);
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me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);
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__mei_me_cl_del(dev, me_cl);
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mei_me_cl_put(me_cl);
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up_write(&dev->me_clients_rwsem);
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}
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