Merge "msm: kgsl: Fix possible use-after-free while adding context to active list"

/* Copyright (c) 2002,2007-2019, The Linux Foundation. All rights reserved.

/* Copyright (c) 2002,2007-2020, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

	drawctxt = ADRENO_CONTEXT(context);

	rb = drawctxt->rb;

	spin_lock(&drawctxt->lock);

	spin_lock(&adreno_dev->active_list_lock);

	list_del_init(&drawctxt->active_node);

	spin_unlock(&adreno_dev->active_list_lock);

	spin_lock(&drawctxt->lock);

	count = drawctxt_detach_drawobjs(drawctxt, list);

	spin_unlock(&drawctxt->lock);