NULL check before some freeing functions is not needed.

Signed-off-by: Thomas Meyer <tho...@m3y3r.de>
---

diff -u -p a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -681,8 +681,7 @@ static int new_lockspace(const char *nam
  out_lkbidr:
        idr_destroy(&ls->ls_lkbidr);
        for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++) {
-               if (ls->ls_remove_names[i])
-                       kfree(ls->ls_remove_names[i]);
+               kfree(ls->ls_remove_names[i]);
        }
  out_rsbtbl:
        vfree(ls->ls_rsbtbl);

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