lkml.org 
[lkml]   [2001]   [Oct]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Subjectcall_pnp_bios() okay
Date
From
> Given that the args are u16s and u16s are unsigned shorts, it looks to me
> as if this is going to zero out all the odd-numbered args. But if that's
> what's happening then I'm amazed this driver works at all. I see that
> in some cases the odd-numbered args are zero anyway, but in others not.
> Result #1: The driver isn't getting a real value for the maximum node size.
> But a random value will sometimes not oops the kernel.
> Result #2: PnP BIOS is sometimes getting 0 as its DS selector
> Result #3: The get_dev_node config selector is always 0 (should be 1 or 2)
> Result #4: The set_dev_node handle is 0; but this is duplicated in the
> node info structure, so the function may still work. However,
> the selector number of the node data is wrong
>
> I'm off to patch this bug and see if it fixes my problem.
> It may fix the Sony and Dell problems too.

Well, on closer look the call_pnp_bios code is okay after all.
The variables get promoted to 32 bits prior to the 16 bit shifts,
despite the shifts being in parentheses. I.e, Never Mind. :)

Stelian: Sorry, I put your e-mail address in the previous subject heading
by mistake.

--
Thomas Hood
(Don't reply to the From: address but to jdthood_AT_yahoo.co.uk)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:03    [W:0.024 / U:1.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site