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Merge "soc: qcom: hab: add the buffer size sanity check for exporting a buffer"

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qctecmdr 2021-03-19 05:39:41 -07:00 • committed by Gerrit - the friendly Code Review server
commit df0f2b21c8
1 changed files with 3 additions and 2 deletions
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5
drivers/soc/qcom/hab/hab_mimex.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
#include "hab.h"
#include "hab_grantable.h"
@ -241,7 +241,8 @@ int hab_mem_export(struct uhab_context *ctx,
int page_count;
int compressed = 0;
if (!ctx || !param || !param->buffer)
if (!ctx || !param || !param->buffer || !param->sizebytes
|| ((param->sizebytes % PAGE_SIZE) != 0))
return -EINVAL;
vchan = hab_get_vchan_fromvcid(param->vcid, ctx, 0);