linux-kernel - Re: [PATCH] fbcon: fix sparse warning about shadowing 'p' symbol

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 11 Dec 2007 21:50:32 -0500
From:	Dave Jones <davej@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Marcin __lusarz <marcin.slusarz@...il.com>,
	linux-kernel@...r.kernel.org, adaplas@...il.com
Subject: Re: [PATCH] fbcon: fix sparse warning about shadowing 'p' symbol

On Tue, Dec 11, 2007 at 04:57:00PM -0800, Andrew Morton wrote:

 > > --- a/drivers/video/console/fbcon.c
 > > +++ b/drivers/video/console/fbcon.c
 > > @@ -2795,7 +2795,7 @@ static int fbcon_scrolldelta(struct vc_data *vc, int lines)
 > >  {
 > >  	struct fb_info *info = registered_fb[con2fb_map[fg_console]];
 > >  	struct fbcon_ops *ops = info->fbcon_par;
 > > -	struct display *p = &fb_display[fg_console];
 > > +	struct display *disp = &fb_display[fg_console];
 > 
 > We have a global symbol called "p"?  That would be bad.  Where is it?

in the same function.
We have quite a few shadow warnings in that file.

drivers/video/console/fbcon.c:337:25: warning: symbol '_x' shadows an earlier one
drivers/video/console/fbcon.c:337:25: originally declared here
drivers/video/console/fbcon.c:337:25: warning: symbol '_x' shadows an earlier one
drivers/video/console/fbcon.c:337:25: originally declared here
drivers/video/console/fbcon.c:337:25: warning: symbol '_y' shadows an earlier one
drivers/video/console/fbcon.c:337:25: originally declared here
drivers/video/console/fbcon.c:2813:19: warning: symbol 'p' shadows an earlier one
drivers/video/console/fbcon.c:2798:17: originally declared here
drivers/video/console/fbcon.c:3336:6: warning: symbol 'rotate' shadows an earlier one
drivers/video/console/fbcon.c:150:12: originally declared here
drivers/video/console/fbcon.c:3361:6: warning: symbol 'rotate' shadows an earlier one
drivers/video/console/fbcon.c:150:12: originally declared here
drivers/video/console/fbcon.c:3385:6: warning: symbol 'rotate' shadows an earlier one
drivers/video/console/fbcon.c:150:12: originally declared here

	Dave 


-- 
http://www.codemonkey.org.uk
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/