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src/driver/vpd: Update vpd_decode from upstream

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The upstream vpd_decode.c has been revised to prevent overrun of decoded
contents.

BUG=chromium:967209
TEST=select VPD config on kukui; make; boots on at least kukui boards.

Change-Id: I1a50670a66b7b174d2a432c29d90152b86c32982
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33414
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Hung-Te Lin
2019-06-12 16:59:24 +08:00
committed by Patrick Georgi
parent aa5e8e099e
commit f6317b4892
2 changed files with 30 additions and 42 deletions
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21
src/drivers/vpd/vpd_decode.h
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@@ -29,29 +29,12 @@ typedef int vpd_decode_callback(
const u8 *key, u32 key_len, const u8 *value, u32 value_len,
void *arg);
/*
* vpd_decode_len
*
* Given an encoded string, this function extracts the length of content
* (either key or value). The *consumed will contain the number of bytes
* consumed.
*
* The input_buf points to the first byte of the input buffer.
*
* The *consumed starts from 0, which is actually the next byte to be decoded.
* It can be non-zero to be used in multiple calls.
*
* Returns VPD_DECODE_OK on success, otherwise VPD_DECODE_FAIL.
*/
int vpd_decode_len(
const u32 max_len, const u8 *in, u32 *length, u32 *decoded_len);
/*
* vpd_decode_string
*
* Given the encoded string, this function invokes callback with extracted
* (key, value). The *consumed will be plused the number of bytes consumed in
* this function.
* (key, value). The *consumed will be incremented by the number of bytes
* consumed in this function.
*
* The input_buf points to the first byte of the input buffer.
*