[LTP] [PATCH STAGING v4 07/16] fchroot04: test fchroot() into failfs as root

[Cyril Hrubis]

Hi!
> +static void run(void)
> +{
> +	if (SAFE_FORK())
> +		return;
> +
> +	char buf[PATH_MAX];
> +
> +	TST_EXP_PASS(tst_syscall(__NR_fchroot, FD_FAILFS_ROOT, 0),
> +		"fchroot() with the FD_FAILFS_ROOT sentinel");
> +
> +	TST_EXP_FAIL2(open("/etc/passwd", O_RDONLY), EOPNOTSUPP,
> +		"absolute file open");
> +
> +	TST_EXP_FAIL(mkdir("/foo", 0700), EOPNOTSUPP,
> +		"absolute directory creation");
> +
> +	/*
> +	 * The libc getcwd() wrapper rejects the "(unreachable)"
> +	 * prefix produced by the kernel, so call the raw syscall.
> +	 */
> +	TEST(tst_syscall(__NR_getcwd, buf, sizeof(buf)));
> +	if (TST_RET > 0)
> +		TST_EXP_EQ_STRN(buf, UNR_TAG, sizeof(UNR_TAG) - 1);
> +	else
> +		tst_res(TFAIL | TTERRNO, "getcwd() failed");
> +
> +	exit(0);

Here as well, no need to add the exit(0)

Otherwise:

Reviewed-by: Cyril Hrubis <chrubis@suse.cz>

-- 
Cyril Hrubis
chrubis@suse.cz