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>
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 @@
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);