When "onboard video memory" is set do "disabled" in BIOS on Asus P4P800-VM
board (i865G), kernel oopses with memory corruption:
https://bugs.freedesktop.org/show_bug.cgi?id=28430
Fix that by cleanly aborting the initialization.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
/* we have to call this as early as possible after the MMIO base address is known */
intel_i830_init_gtt_entries();
/* we have to call this as early as possible after the MMIO base address is known */
intel_i830_init_gtt_entries();
+ if (intel_private.gtt_entries == 0) {
+ iounmap(intel_private.registers);
+ return -ENOMEM;
+ }
agp_bridge->gatt_table = NULL;
agp_bridge->gatt_table = NULL;
/* we have to call this as early as possible after the MMIO base address is known */
intel_i830_init_gtt_entries();
/* we have to call this as early as possible after the MMIO base address is known */
intel_i830_init_gtt_entries();
+ if (intel_private.gtt_entries == 0) {
+ iounmap(intel_private.gtt);
+ iounmap(intel_private.registers);
+ return -ENOMEM;
+ }
agp_bridge->gatt_table = NULL;
agp_bridge->gatt_table = NULL;
/* we have to call this as early as possible after the MMIO base address is known */
intel_i830_init_gtt_entries();
/* we have to call this as early as possible after the MMIO base address is known */
intel_i830_init_gtt_entries();
+ if (intel_private.gtt_entries == 0) {
+ iounmap(intel_private.gtt);
+ iounmap(intel_private.registers);
+ return -ENOMEM;
+ }
agp_bridge->gatt_table = NULL;
agp_bridge->gatt_table = NULL;