This fixes checkpatch warning:
  WARNING: debugfs_remove(NULL) is safe this check is probably not required
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 
 err_remove:
        pr_err("init failed\n");
-       if (root_node.dentry)
-               debugfs_remove(root_node.dentry);
+       debugfs_remove(root_node.dentry);
 
        return rc;
 }