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lzo: Update dst_len even on error 

This allows the caller to easily detect how much of the destination buffer
has been used.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-12-02 13:17:40 -07:00 committed by Tom Rini
parent 9c55c54fb4
commit 670c0179ec
1 changed files with 3 additions and 1 deletions
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4
lib/lzo/lzo1x_decompress.c
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@ -102,8 +102,10 @@ int lzop_decompress(const unsigned char *src, size_t src_len,
tmp = dlen; tmp = dlen;
r = lzo1x_decompress_safe((u8 *) src, slen, dst, &tmp); r = lzo1x_decompress_safe((u8 *) src, slen, dst, &tmp);
if (r != LZO_E_OK) if (r != LZO_E_OK) {
*dst_len = dst - start;
return r; return r;
}
if (dlen != tmp) if (dlen != tmp)
return LZO_E_ERROR; return LZO_E_ERROR;