[PATCH 10/10] raw/cnxk_gpio: support selftest

[Stephen Hemminger]

On Wed, 17 Nov 2021 01:21:55 +0100
Tomasz Duszynski <tduszynski at marvell.com> wrote:

> +static int
> +cnxk_gpio_open_mem(void)
> +{
> +	int ret = 0, fd;
> +
> +	fd = open("/dev/mem", O_RDWR | O_SYNC);
> +	if (fd < 0)
> +		ret = -errno;
> +
> +	return ret;
> +}

This is a dangerous security violation and most distributions
will not allow it.

Also, why are you opening it? The code is forgetting the file
descriptor so it is useless anyway.