Re: [PATCH v4 2/3] VT: Add KDFONTINFO ioctl

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On Tue, Apr 02, 2024 at 07:50:45PM +0200, Alexey Gladkov wrote:
> +struct console_font_info {
> +	unsigned int min_width, min_height;	/* minimal font size */
> +	unsigned int max_width, max_height;	/* maximum font size */
> +	unsigned int flags;			/* KD_FONT_INFO_FLAG_* */
> +};

As Jiri said, this will not work for an ioctl structure at all, sorry.
Please read the kernel documentation about how to write a new ioctl for
how to do this correctly (hint, you can not use 'unsigned int' in a
structure that crosses the kernel/user boundry for new ioctls.)

thanks,

greg k-h




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