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squashfs: fix locking bug in zlib wrapper 

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

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
This commit is contained in:
Phillip Lougher 2010-04-04 22:20:58 +01:00
parent 0d0fb0f9c5
commit 792590c723
1 changed files with 2 additions and 1 deletions
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3
fs/squashfs/zlib_wrapper.c
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@ -128,8 +128,9 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
goto release_mutex; goto release_mutex;
} }
length = stream->total_out;
mutex_unlock(&msblk->read_data_mutex); mutex_unlock(&msblk->read_data_mutex);
return stream->total_out; return length;
release_mutex: release_mutex:
mutex_unlock(&msblk->read_data_mutex); mutex_unlock(&msblk->read_data_mutex);