From 362a0e43a37aa5a6316bcf895def4eda8391bb2e Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Tue, 2 Dec 2014 13:17:38 -0700
Subject: bzlib: Update destLen 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>
---
 lib/bzip2/bzlib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/bzip2/bzlib.c b/lib/bzip2/bzlib.c
index 5844e187c0..9262e4055e 100644
--- a/lib/bzip2/bzlib.c
+++ b/lib/bzip2/bzlib.c
@@ -1350,11 +1350,11 @@ int BZ_API(BZ2_bzBuffToBuffDecompress)
    strm.avail_out = *destLen;
 
    ret = BZ2_bzDecompress ( &strm );
+   *destLen -= strm.avail_out;
    if (ret == BZ_OK) goto output_overflow_or_eof;
    if (ret != BZ_STREAM_END) goto errhandler;
 
    /* normal termination */
-   *destLen -= strm.avail_out;
    BZ2_bzDecompressEnd ( &strm );
    return BZ_OK;
 
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