--- zzzz-none-000/linux-2.6.39.4/drivers/char/agp/frontend.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/drivers/char/agp/frontend.c	2021-11-10 13:38:14.000000000 +0000
@@ -112,7 +112,7 @@
 	seg = *(client->segments);
 	num_segments = client->num_segments;
 
-	for (i = 0; i < client->num_segments; i++) {
+	for (i = 0; i < num_segments; i++) {
 		if ((seg[i].pg_start == pg_start) &&
 		    (seg[i].pg_count == pg_count) &&
 		    (pgprot_val(seg[i].prot) == pgprot_val(page_prot))) {