ocfs2: clean up redundant NULL check before iput

Since iput will take care the NULL check itself, NULL check before
calling it is redundant.  So clean them up.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index afb81ea..714320e 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1683,8 +1683,7 @@
 	if (new_inode)
 		sync_mapping_buffers(old_inode->i_mapping);
 
-	if (new_inode)
-		iput(new_inode);
+	iput(new_inode);
 
 	ocfs2_free_dir_lookup_result(&target_lookup_res);
 	ocfs2_free_dir_lookup_result(&old_entry_lookup);