selinux: don't bother with selinuxfs_info_free() on failures

Failures in sel_fill_super() will be followed by sel_kill_sb(), which
will call selinuxfs_info_free() anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: Christian Brauner <brauner@kernel.org>
[PM: subj and description tweaks]
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/selinuxfs.c

@@ -2098,8 +2098,6 @@ err:
 	pr_err("SELinux: %s:  failed while creating inodes\n",
 		__func__);
 
-	selinux_fs_info_free(sb);
-
 	return ret;
 }