In article <20031017181643.341A22DA1D@cvs.netbsd.org>
cdi@netbsd.org wrote:

> Module Name:	src
> Committed By:	cdi
> Date:		Fri Oct 17 18:16:43 UTC 2003
> 
> Modified Files:
> 	src/sys/conf: files
> 	src/sys/dev: cons.c cons.h
> 
> Log Message:
> Introduce null console. This pseudo device acts as a normal console with the
> exception that it discards any output, and is useful for booting the kernel
> on headless boxes.
 :
> cvs rdiff -r1.50 -r1.51 src/sys/dev/cons.c

-struct	consdev *cn_tab;	/* physical console device info */
+struct	consdev *cn_tab = NULL;	/* physical console device info */

Is this initialization really needed for nullcons support?
Some ports (like sun3) initialize cn_tab in MD sources,
so this change causes "multiple definition" error on link.
---
Izumi Tsutsui
tsutsui@ceres.dti.ne.jp