diff options
| author | Thomas Weißschuh <linux@weissschuh.net> | 2024-11-03 17:03:32 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-11-05 14:00:28 +0100 |
| commit | a1ab720ee50686d9e9dcb6935995a75696ed2493 (patch) | |
| tree | 9991c731391e7b5b5e3c5e708c9d36a751db6d38 /drivers/pci | |
| parent | bebf29b18f34620e25f7e2bd9e4e4d8e34a8977d (diff) | |
PCI/sysfs: Calculate bin_attribute size through bin_size()
Stop abusing the is_bin_visible() callback to calculate the attribute
size. Instead use the new, dedicated bin_size() one.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20241103-sysfs-const-bin_attr-v2-3-71110628844c@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 5d0f4db1cab7..040f01b2b999 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -818,21 +818,20 @@ static struct bin_attribute *pci_dev_config_attrs[] = { NULL, }; -static umode_t pci_dev_config_attr_is_visible(struct kobject *kobj, - struct bin_attribute *a, int n) +static size_t pci_dev_config_attr_bin_size(struct kobject *kobj, + const struct bin_attribute *a, + int n) { struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj)); - a->size = PCI_CFG_SPACE_SIZE; if (pdev->cfg_size > PCI_CFG_SPACE_SIZE) - a->size = PCI_CFG_SPACE_EXP_SIZE; - - return a->attr.mode; + return PCI_CFG_SPACE_EXP_SIZE; + return PCI_CFG_SPACE_SIZE; } static const struct attribute_group pci_dev_config_attr_group = { .bin_attrs = pci_dev_config_attrs, - .is_bin_visible = pci_dev_config_attr_is_visible, + .bin_size = pci_dev_config_attr_bin_size, }; /* @@ -1330,21 +1329,26 @@ static umode_t pci_dev_rom_attr_is_visible(struct kobject *kobj, struct bin_attribute *a, int n) { struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj)); - size_t rom_size; /* If the device has a ROM, try to expose it in sysfs. */ - rom_size = pci_resource_len(pdev, PCI_ROM_RESOURCE); - if (!rom_size) + if (!pci_resource_end(pdev, PCI_ROM_RESOURCE)) return 0; - a->size = rom_size; - return a->attr.mode; } +static size_t pci_dev_rom_attr_bin_size(struct kobject *kobj, + const struct bin_attribute *a, int n) +{ + struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj)); + + return pci_resource_len(pdev, PCI_ROM_RESOURCE); +} + static const struct attribute_group pci_dev_rom_attr_group = { .bin_attrs = pci_dev_rom_attrs, .is_bin_visible = pci_dev_rom_attr_is_visible, + .bin_size = pci_dev_rom_attr_bin_size, }; static ssize_t reset_store(struct device *dev, struct device_attribute *attr, |