fs/ocfs2/namei.c: remove set but not used variables

Fixes gcc '-Wunused-but-set-variable' warning:

fs/ocfs2/namei.c: In function ocfs2_create_inode_in_orphan:
fs/ocfs2/namei.c:2503:23: warning: variable di set but not used [-Wunused-but-set-variable]

Link: http://lkml.kernel.org/r/1566522588-63786-2-git-send-email-joseph.qi@linux.alibaba.comSigned-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Changwei Ge <chge@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/namei.c

@@ -2486,7 +2486,6 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
 	struct inode *inode = NULL;
 	struct inode *orphan_dir = NULL;
 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
-	struct ocfs2_dinode *di = NULL;
 	handle_t *handle = NULL;
 	char orphan_name[OCFS2_ORPHAN_NAMELEN + 1];
 	struct buffer_head *parent_di_bh = NULL;
@@ -2552,7 +2551,6 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
 		goto leave;
 	}
 
-	di = (struct ocfs2_dinode *)new_di_bh->b_data;
 	status = ocfs2_orphan_add(osb, handle, inode, new_di_bh, orphan_name,
 				  &orphan_insert, orphan_dir, false);
 	if (status < 0) {