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Commit 94016e8d authored by Xiaoyu Ye's avatar Xiaoyu Ye Committed by Gerrit - the friendly Code Review server
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ASoC: wcd_cpe_core: add size check for WDSP ELF files 



Add size check to make sure the data sizes from WDSP
ELF metadata and the split firmware ELF are the same.

Change-Id: Ic2f7dc04dfc95608302cba23461c519378619db0
Signed-off-by: default avatarXiaoyu Ye <benyxy@codeaurora.org>
parent 7a4a594d

sound/soc/codecs/wcd_cpe_core.c

+9 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2018, 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
@@ -337,6 +337,14 @@ static int wcd_cpe_load_each_segment(struct wcd_cpe_core *core, 
		goto done;

	}



	if (phdr->p_filesz != split_fw->size) {

		dev_err(core->dev,

			"%s: %s size mismatch, phdr_size: 0x%x fw_size: 0x%zx",

			__func__, split_fname, phdr->p_filesz, split_fw->size);

		ret = -EINVAL;

		goto done;

	}



	segment->cpe_addr = phdr->p_paddr;

	segment->size = phdr->p_filesz;

	segment->data = (u8 *) split_fw->data;