[Intel-gfx] [PATCH v1 12/12] PCI: Simplify sysfs ROM cleanup

Bjorn Helgaas bhelgaas at google.com
Thu Mar 3 16:55:25 UTC 2016


The value of pdev->rom_attr is the definitive indicator of the fact that
we're created a sysfs attribute.  Check that rather than rom_size, which is
only used incidentally when deciding whether to create a sysfs attribute.

Signed-off-by: Bjorn Helgaas <bhelgaas at google.com>
---
 drivers/pci/pci-sysfs.c |   13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 95d9e7b..a4cfa52 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -1409,7 +1409,7 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev)
 	return 0;
 
 err_rom_file:
-	if (rom_size) {
+	if (pdev->rom_attr) {
 		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
 		kfree(pdev->rom_attr);
 		pdev->rom_attr = NULL;
@@ -1447,8 +1447,6 @@ static void pci_remove_capabilities_sysfs(struct pci_dev *dev)
  */
 void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
 {
-	int rom_size = 0;
-
 	if (!sysfs_initialized)
 		return;
 
@@ -1461,18 +1459,13 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
 
 	pci_remove_resource_files(pdev);
 
-	if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
-		rom_size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
-	else if (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)
-		rom_size = 0x20000;
-
-	if (rom_size && pdev->rom_attr) {
+	if (pdev->rom_attr) {
 		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
 		kfree(pdev->rom_attr);
+		pdev->rom_attr = NULL;
 	}
 
 	pci_remove_firmware_label_files(pdev);
-
 }
 
 static int __init pci_sysfs_init(void)



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