mei: bus: fix hw module get/put balance

In case the device is not connected it doesn't 'get'
hw module and hence should not 'put' it on disable.

Cc: <stable@vger.kernel.org> 4.16+
Fixes:'commit 257355a44b99 ("mei: make module referencing local to the bus.c")'
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=200455
Tested-by: Georg Müller <georgmueller@gmx.net>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 7bba62a..13c6c9a 100644 (file)
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -616,9 +616,8 @@ int mei_cldev_disable(struct mei_cl_device *cldev)
        if (err < 0)
                dev_err(bus->dev, "Could not disconnect from the ME client\n");
 
-out:
        mei_cl_bus_module_put(cldev);
-
+out:
        /* Flush queues and remove any pending read */
        mei_cl_flush_queues(cl, NULL);
        mei_cl_unlink(cl);