Re: [PATCH] Console: fall back to /dev/null when no console is availlable

[Gianni Tedesco <gianni@scaramanga.co.uk>]

On Tue, 2004-10-05 at 20:52 +0200, Jörn Engel wrote:
> 
>  main.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletion(-)
> 
> --- linux-2.6.8cow/init/main.c~console  2004-10-05 20:46:40.000000000 +0200
> +++ linux-2.6.8cow/init/main.c  2004-10-05 20:46:08.000000000 +0200
> @@ -695,8 +695,11 @@
>         system_state = SYSTEM_RUNNING;
>         numa_default_policy();
>  
> -       if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
> +       if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) {
>                 printk("Warning: unable to open an initial console.\n");
> +               if (open("/dev/null", O_RDWR, 0) == 0)
> +                       printk("         Falling back to /dev/null.\n");
> +       }

BTW. What happens if /dev/console or /dev/null are regular files?

I don't see any check for this. I didn't think Linux imposed any
namespace layout/ownership/permission requirements.

-- 
// Gianni Tedesco (gianni at scaramanga dot co dot uk)
lynx --source www.scaramanga.co.uk/scaramanga.asc | gpg --import