Re: [PATCH 1/2] printk: Check valid console index for preferred console

[Greg Kroah-Hartman]

On Thu, Oct 12, 2023 at 09:42:56AM +0300, Tony Lindgren wrote:
> Let's check for valid console index values for preferred console to avoid
> bogus console index numbers from kernel command line.
> 
> Let's also return an error for negative index numbers for the preferred
> console. Unlike for device drivers, a negative index is not valid for the
> preferred console.
> 
> Let's also constify idx while at it.
> 
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>