After cancelling all reads from the disable hook, we need to reset the
event_cb pointer as well or else we won't be able to set a new one up
when re-enabling the device.

Acked-by: Tomas Winkler <tomas.wink...@intel.com>
Signed-off-by: Samuel Ortiz <sa...@linux.intel.com>
---
 drivers/misc/mei/bus.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 1e935ea..9ecd49a 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -496,6 +496,8 @@ int mei_cl_disable_device(struct mei_cl_device *device)
                }
        }
 
+       device->event_cb = NULL;
+
        mutex_unlock(&dev->device_lock);
 
        if (!device->ops || !device->ops->disable)
-- 
1.7.10.4

-- 
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