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

Signed-off-by: Simon Glass <s...@chromium.org>
---

Changes in v2: None

 lib/lzo/lzo1x_decompress.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/lzo/lzo1x_decompress.c b/lib/lzo/lzo1x_decompress.c
index 35f3793..ebdf10b 100644
--- a/lib/lzo/lzo1x_decompress.c
+++ b/lib/lzo/lzo1x_decompress.c
@@ -102,8 +102,10 @@ int lzop_decompress(const unsigned char *src, size_t 
src_len,
                tmp = dlen;
                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;
+               }
 
                if (dlen != tmp)
                        return LZO_E_ERROR;
-- 
2.2.0.rc0.207.ga3a616c

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