Re: suspect code in drivers/char/agp/generic.c

From: Dave Jones
Date: Thu Aug 11 2005 - 22:29:48 EST


On Thu, Aug 11, 2005 at 06:06:55PM -0700, Jeremy Fitzhardinge wrote:
> I was just looking at agp_copy_info(), which contains this code:
>
> 318 if (bridge->mode & AGPSTAT_MODE_3_0)
> 319 info->mode = bridge->mode & ~AGP3_RESERVED_MASK;
> 320 else
> 321 info->mode = bridge->mode & ~AGP2_RESERVED_MASK;
> 322 info->mode = bridge->mode;
>
> This looks wrong to me, since line 322 overrides the previous 4 lines'
> work...
>
> I have no idea whether this is actually causing a problem, but I'd
> thought I'd call attention to it.

Ugh, that crept in when the multiple gart support got added.
Line 322 shouldn't be there. I'll nuke it in agpgart.git

Whilst its clearly wrong, I'd like the corrected version to take a quick
spin in -mm before we add this to 2.6.13, just in case.

Dave

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