* [PATCH 2.6.0-test11] agpgart [amd64] fix (off by one)
@ 2003-11-30 19:14 Brad House
2003-11-30 21:30 ` Dave Jones
0 siblings, 1 reply; 2+ messages in thread
From: Brad House @ 2003-11-30 19:14 UTC (permalink / raw)
To: linux-kernel
AGPGart would report "Too many northbridges" without this
patch. The problem was that 'i' was incremented before being
checked against the MAX GARTS, just making the check > instead
of == fixes the problems. Patch here:
http://dev.gentoo.org/~brad_mssw/kernel_patches/2.6.0/genpatches-0.7/101_amd64_agpgart_fix.patch
Also inlined below.
Please CC me on any replies
-Brad House
brad_mssw@gentoo.org
diff -ruN linux-2.6.0-test11.old/drivers/char/agp/amd64-agp.c
linux-2.6.0-test11/drivers/char/agp/amd64-agp.c
--- linux-2.6.0-test11.old/drivers/char/agp/amd64-agp.c 2003-11-26
15:44:44.000000000 -0500
+++ linux-2.6.0-test11/drivers/char/agp/amd64-agp.c 2003-11-30
14:07:38.690330488 -0500
@@ -357,7 +357,7 @@
}
hammers[i++] = loop_dev;
nr_garts = i;
- if (i == MAX_HAMMER_GARTS) {
+ if (nr_garts > MAX_HAMMER_GARTS) {
printk(KERN_INFO PFX "Too many northbridges for AGP\n");
return -1;
}
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH 2.6.0-test11] agpgart [amd64] fix (off by one)
2003-11-30 19:14 [PATCH 2.6.0-test11] agpgart [amd64] fix (off by one) Brad House
@ 2003-11-30 21:30 ` Dave Jones
0 siblings, 0 replies; 2+ messages in thread
From: Dave Jones @ 2003-11-30 21:30 UTC (permalink / raw)
To: Brad House; +Cc: linux-kernel
On Sun, Nov 30, 2003 at 02:14:54PM -0500, Brad House wrote:
> AGPGart would report "Too many northbridges" without this
> patch. The problem was that 'i' was incremented before being
> checked against the MAX GARTS, just making the check > instead
> of == fixes the problems. Patch here:
Already fixed slightly differently in agpgart bitkeeper tree.
I've been trying to get Linus to take this and a few other
similar bits for a while, but they just haven't been
important enough I guess, so its probably post 2.6.0 material.
Dave
^ permalink raw reply [flat|nested] 2+ messages in thread
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2003-11-30 19:14 [PATCH 2.6.0-test11] agpgart [amd64] fix (off by one) Brad House
2003-11-30 21:30 ` Dave Jones
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