4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Gao Xiang <gaoxiang25@xxxxxxxxxx> commit e9c892465583c8f42d61fafe30970d36580925df upstream. There is actually no need at all to d_rehash() for the root dentry as Al pointed out, fix it. Reported-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/erofs/super.c | 6 ------ 1 file changed, 6 deletions(-) --- a/drivers/staging/erofs/super.c +++ b/drivers/staging/erofs/super.c @@ -404,12 +404,6 @@ static int erofs_read_super(struct super erofs_register_super(sb); - /* - * We already have a positive dentry, which was instantiated - * by d_make_root. Just need to d_rehash it. - */ - d_rehash(sb->s_root); - if (!silent) infoln("mounted on %s with opts: %s.", dev_name, (char *)data);