udf: avoid info leak on export
commit 0143fc5e upstream. For type 0x51 the udf.parent_partref member in struct fid gets copied uninitialized to userland. Fix this by initializing it to 0. Signed-off-by:Mathias Krause <minipli@googlemail.com> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com>
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