jffs2: fix a memleak in read_direntry()
jffs2: fix a memleak in read_direntry()

Need to free the memory allocated for 'fd' if failed to read all
of the remainder name.

Signed-off-by: Wei Fang <e9083e8823ccf4d1e7311b2b8bf95b8e9dfa1102@huawei.com>
Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs