3 files changed, 11 insertions, 6 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 5aa7a586a7ff..1afb8968a342 100644
--- 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);
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 30c36ac2cd00..3999a5f25f38 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -2460,10 +2460,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 				&bridge->mode);
 	}
 
-	if (bridge->driver->mask_memory == intel_i965_mask_memory)
+	if (bridge->driver->mask_memory == intel_i965_mask_memory) {
 		if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
 			dev_err(&intel_private.pcidev->dev,
 				"set gfx device dma mask 36bit failed!\n");
+		else
+			pci_set_consistent_dma_mask(intel_private.pcidev,
+						    DMA_BIT_MASK(36));
+	}
 
 	pci_set_drvdata(pdev, bridge);
 	return agp_add_bridge(bridge);
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index bdaef8e94021..64fe0a793efd 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -114,7 +114,7 @@ static struct virtio_device_id id_table[] = {
 	{ 0 },
 };
 
-static struct virtio_driver virtio_rng = {
+static struct virtio_driver virtio_rng_driver = {
 	.driver.name =	KBUILD_MODNAME,
 	.driver.owner =	THIS_MODULE,
 	.id_table =	id_table,
@@ -124,12 +124,12 @@ static struct virtio_driver virtio_rng = {
 
 static int __init init(void)
 {
-	return register_virtio_driver(&virtio_rng);
+	return register_virtio_driver(&virtio_rng_driver);
 }
 
 static void __exit fini(void)
 {
-	unregister_virtio_driver(&virtio_rng);
+	unregister_virtio_driver(&virtio_rng_driver);
 }
 module_init(init);
 module_exit(fini);