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authorBjorn Helgaas <bhelgaas@google.com>2012-09-24 17:24:11 -0600
committerBjorn Helgaas <bhelgaas@google.com>2012-09-24 17:24:11 -0600
commit78c8f84302ce007aedcfa11912fd4aacf22727ab (patch)
treef7a699c34875cd33c2e6c1301b740adb0ba4054f /drivers/gpu/vga
parentd3ce52f50cc1697504130897f1d7c489b62dae1c (diff)
parent84544a1dea61879edebceddb7a76d5737409f8c8 (diff)
downloadlinux-78c8f84302ce007aedcfa11912fd4aacf22727ab.tar.gz
Merge branch 'pci/yinghai-misc' into next
Diffstat (limited to 'drivers/gpu/vga')
-rw-r--r--drivers/gpu/vga/vgaarb.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index b6852b776931..e893f6e1937d 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -141,7 +141,11 @@ EXPORT_SYMBOL_GPL(vga_default_device);
 
 void vga_set_default_device(struct pci_dev *pdev)
 {
-	vga_default = pdev;
+	if (vga_default == pdev)
+		return;
+
+	pci_dev_put(vga_default);
+	vga_default = pci_dev_get(pdev);
 }
 #endif
 
@@ -577,7 +581,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
 #ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
 	if (vga_default == NULL &&
 	    ((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK))
-		vga_default = pci_dev_get(pdev);
+		vga_set_default_device(pdev);
 #endif
 
 	vga_arbiter_check_bridge_sharing(vgadev);
@@ -613,10 +617,8 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
 	}
 
 #ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
-	if (vga_default == pdev) {
-		pci_dev_put(vga_default);
-		vga_default = NULL;
-	}
+	if (vga_default == pdev)
+		vga_set_default_device(NULL);
 #endif
 
 	if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM))