[PATCH AUTOSEL 5.6 182/606] mei: release me_cl object reference
From: Sasha Levin
Date: Mon Jun 08 2020 - 19:19:41 EST
From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Reported-by: ää <teroincn@xxxxxxxxx>
Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Link: https://lore.kernel.org/r/20200512223140.32186-1-tomas.winkler@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/misc/mei/client.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 1e3edbbacb1e..c6b163060c76 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -266,6 +266,7 @@ 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);
}
@@ -287,6 +288,7 @@ 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);
}
--
2.25.1