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Date:	Fri, 23 Apr 2010 03:16:00 +0100
From:	Phillip Lougher <phillip@...gher.demon.co.uk>
To:	Linux Kernel Development <linux-kernel@...r.kernel.org>
CC:	linux-fsdevel@...r.kernel.org
Subject: [PATCH 1/4] squashfs: fix locking bug in zlib wrapper


Fix locking bug in zlib wrapper introduced by recent decompressor changes.

Signed-off-by: Phillip Lougher <phillip@...gher.demon.co.uk>
---
  fs/squashfs/zlib_wrapper.c |    3 ++-
  1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c
index 15a03d0..7a60387 100644
--- a/fs/squashfs/zlib_wrapper.c
+++ b/fs/squashfs/zlib_wrapper.c
@@ -128,8 +128,9 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
  		goto release_mutex;
  	}

+	length = stream->total_out;
  	mutex_unlock(&msblk->read_data_mutex);
-	return stream->total_out;
+	return length;

  release_mutex:
  	mutex_unlock(&msblk->read_data_mutex);
-- 
1.6.3.3

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