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Commit 77433aa4 authored by Alexander Usyskin's avatar Alexander Usyskin Committed by Greg Kroah-Hartman
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mei: release me_cl object reference 



commit fc9c03ce30f79b71807961bfcb42be191af79873 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: default avatar亿一 <teroincn@gmail.com>
Signed-off-by: default avatarAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200512223140.32186-1-tomas.winkler@intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent eabaf0d2

drivers/misc/mei/client.c

+2 −0
Original line number Diff line number Diff line
@@ -276,6 +276,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid) 
	down_write(&dev->me_clients_rwsem);

	me_cl = __mei_me_cl_by_uuid(dev, uuid);

	__mei_me_cl_del(dev, me_cl);

	mei_me_cl_put(me_cl);

	up_write(&dev->me_clients_rwsem);

}
@@ -297,6 +298,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id) 
	down_write(&dev->me_clients_rwsem);

	me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);

	__mei_me_cl_del(dev, me_cl);

	mei_me_cl_put(me_cl);

	up_write(&dev->me_clients_rwsem);

}