tree 514e1cf01c52e5995a0143c20e5aea682b736f09
parent 79974a0e4c6be6e9a3717b4c5a5d5c44c36b1653
author Gerd Hoffmann <kraxel@redhat.com> 1179378669 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1179404584 -0700

Refine SCREEN_INFO sanity check for vgacon initialization

Refine SCREEN_INFO sanity check for vgacon initialization.

Checking video mode field only to see whenever SCREEN_INFO is
initialized is not enougth, in some cases it is zero although
a vga card is present.  Lets additionally check cols and lines.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
Cc: Alan <alan@lxorguk.ukuu.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>