x86/agp: Fix agp_amd64_init and agp_amd64_cleanup

[safe/jmp/linux-2.6] / drivers / char / agp / amd64-agp.c

diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 5aa7a58..1afb896 100644 (file)
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -725,12 +725,11 @@ static struct pci_driver agp_amd64_pci_driver = {
 int __init agp_amd64_init(void)
 {
        int err = 0;
-       static int done = 0;
 
        if (agp_off)
                return -EINVAL;
 
-       if (done++)
+       if (gart_iommu_aperture)
                return agp_bridges_found ? 0 : -ENODEV;
 
        err = pci_register_driver(&agp_amd64_pci_driver);
@@ -771,6 +770,8 @@ int __init agp_amd64_init(void)
 
 static void __exit agp_amd64_cleanup(void)
 {
+       if (gart_iommu_aperture)
+               return;
        if (aperture_resource)
                release_resource(aperture_resource);
        pci_unregister_driver(&agp_amd64_pci_driver);