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

Andrew Morton
2004-10-05T23:30:38Z

Jörn Engel <joern@wohnheim.fh-wedel.de> wrote:
>
> --- 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");
> + }
>
> (void) sys_dup(0);
> (void) sys_dup(0);

/usr/src/25/init/main.c:183: undefined reference to `open'

I assume this worked for you because it's against 2.6.8 and we were still
supporting kernel syscalls then.

Please always test patches against current kernels.

I'll fix it up.