* [patch] con2fbmap limit check
@ 2007-10-31 14:58 Peter Samuelson
2007-10-31 19:48 ` Geert Uytterhoeven
0 siblings, 1 reply; 3+ messages in thread
From: Peter Samuelson @ 2007-10-31 14:58 UTC (permalink / raw)
To: linux-fbdev-devel
Trivial patch to avoid an oops I hit when trying to figure out how to
use con2fbmap.
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Peter Samuelson | org-tld!p12n!peter | http://p12n.org/
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch] con2fbmap limit check
2007-10-31 14:58 [patch] con2fbmap limit check Peter Samuelson
@ 2007-10-31 19:48 ` Geert Uytterhoeven
2007-10-31 20:50 ` Peter Samuelson
0 siblings, 1 reply; 3+ messages in thread
From: Geert Uytterhoeven @ 2007-10-31 19:48 UTC (permalink / raw)
To: Peter Samuelson; +Cc: linux-fbdev-devel
On Wed, 31 Oct 2007, Peter Samuelson wrote:
> Trivial patch to avoid an oops I hit when trying to figure out how to
> use con2fbmap.
No patch included?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [patch] con2fbmap limit check
2007-10-31 19:48 ` Geert Uytterhoeven
@ 2007-10-31 20:50 ` Peter Samuelson
0 siblings, 0 replies; 3+ messages in thread
From: Peter Samuelson @ 2007-10-31 20:50 UTC (permalink / raw)
To: linux-fbdev-devel
[Geert Uytterhoeven]
> No patch included?
Ha. Guess I was hasty. Sorry about that.
--
Peter Samuelson | org-tld!p12n!peter | http://p12n.org/
commit fe3c8a57a2f8c0b169898c5a0b5f3dcc6de5943e
Author: Peter Samuelson <peter@p12n.org>
Date: Wed Oct 31 09:49:28 2007 -0500
Fix limit check in FBIOPUT_CON2FBMAP ioctl.
Signed-Off-By: Peter Samuelson <peter@p12n.org>
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 1194f5e..df679ef 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1057,7 +1057,7 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case FBIOPUT_CON2FBMAP:
if (copy_from_user(&con2fb, argp, sizeof(con2fb)))
return - EFAULT;
- if (con2fb.console < 0 || con2fb.console > MAX_NR_CONSOLES)
+ if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
return -EINVAL;
if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX)
return -EINVAL;
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2007-10-31 14:58 [patch] con2fbmap limit check Peter Samuelson
2007-10-31 19:48 ` Geert Uytterhoeven
2007-10-31 20:50 ` Peter Samuelson
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