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

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qctecmdr 2020-08-03 06:26:35 -07:00 committed by Gerrit - the friendly Code Review server
commit 037d1f7483
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/msm/adreno_drawctxt.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2002,2007-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2002,2007-2020, The Linux Foundation. All rights reserved.
*/
#include <linux/debugfs.h>
@ -475,11 +475,12 @@ void adreno_drawctxt_detach(struct kgsl_context *context)
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);