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Commit f152dfee authored by Alexander Shishkin's avatar Alexander Shishkin
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intel_th: msu: Release resources on removal 



Do release the resources when msu subdevice gets removed: stop the
capture if it is active (which is still possible even though the
module in pinned) and free the capture buffers.

Signed-off-by: default avatarAlexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: default avatarLaurent Fert <laurent.fert@intel.com>
parent 8e9a2beb

drivers/hwtracing/intel_th/msu.c

+12 −0
Original line number Diff line number Diff line
@@ -1492,6 +1492,18 @@ static int intel_th_msc_probe(struct intel_th_device *thdev) 


static void intel_th_msc_remove(struct intel_th_device *thdev)

{

	struct msc *msc = dev_get_drvdata(&thdev->dev);

	int ret;



	intel_th_msc_deactivate(thdev);



	/*

	 * Buffers should not be used at this point except if the

	 * output character device is still open and the parent

	 * device gets detached from its bus, which is a FIXME.

	 */

	ret = msc_buffer_free_unless_used(msc);

	WARN_ON_ONCE(ret);

}



static struct intel_th_driver intel_th_msc_driver = {