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asoc: wcd_cpe_core: add size check for WDSP ELF files

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

Change-Id: I7a1404cd15601d8d503e3355e6dc70e2949df72d
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
This commit is contained in:
Xiaoyu Ye 2018-01-17 11:30:35 -08:00 • committed by Gerrit - the friendly Code Review server
parent da56c67bc4
commit ef9ded2e71
1 changed files with 9 additions and 1 deletions

10
asoc/codecs/wcd_cpe_core.c
View file

@ -1,4 +1,4 @@
/* 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
@ -329,6 +329,14 @@ 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;