ocfs2/cluster: dereferencing before checking in nst_seq_show()
In the original code, we dereferenced "nst" before checking that it was non-NULL. I moved the check forward and pulled the code in an indent level. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NJoel Becker <joel.becker@oracle.com>
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