Messages in this thread | | | Subject | Re: [PATCH v2] PCI: sysfs: Change bus_rescan and dev_rescan to rescan | From | Ruslan Bilovol <> | Date | Wed, 25 Mar 2020 18:31:12 +0200 |
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On 3/25/20 5:17 PM, Kelsey Skunberg wrote: > From: Kelsey Skunberg <kelsey.skunberg@gmail.com> > > rename device attribute name arguments 'bus_rescan' and 'dev_rescan' to 'rescan' > to avoid breaking userspace applications. > > The attribute argument names were changed in the following commits: > 8bdfa145f582 ("PCI: sysfs: Define device attributes with DEVICE_ATTR*()") > 4e2b79436e4f ("PCI: sysfs: Change DEVICE_ATTR() to DEVICE_ATTR_WO()") > > Revert the names used for attributes back to the names used before the above > patches were applied. This also requires to change DEVICE_ATTR_WO() to > DEVICE_ATTR() and __ATTR(). > > Note when using DEVICE_ATTR() the attribute is automatically named > dev_attr_<name>.attr. To avoid duplicated names between attributes, use > __ATTR() instead of DEVICE_ATTR() to a assign a custom attribute name for > dev_rescan. > > change bus_rescan_store() to dev_bus_rescan_store() to complete matching the > names used before the mentioned patches were applied. > > Fixes: 8bdfa145f582 ("PCI: sysfs: Define device attributes with DEVICE_ATTR*()") > Fixes: 4e2b79436e4f ("PCI: sysfs: Change DEVICE_ATTR() to DEVICE_ATTR_WO()")
Thanks Kelsey for the quick fix.
Tested-by: Ruslan Bilovol <rbilovol@cisco.com>
> > Cc: stable <stable@vger.kernel.org> > Signed-off-by: Kelsey Skunberg <kelsey.skunberg@gmail.com> > Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > --- > > v2 updates: > commit log updated to include 'Fixes: *' and Cc: stable to aid commit > being backported properly. > > drivers/pci/pci-sysfs.c | 17 ++++++++++------- > 1 file changed, 10 insertions(+), 7 deletions(-) > > diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c > index 13f766db0684..667e13d597ff 100644 > --- a/drivers/pci/pci-sysfs.c > +++ b/drivers/pci/pci-sysfs.c > @@ -464,7 +464,10 @@ static ssize_t dev_rescan_store(struct device *dev, > } > return count; > } > -static DEVICE_ATTR_WO(dev_rescan); > +static struct device_attribute dev_rescan_attr = __ATTR(rescan, > + 0220, NULL, > + dev_rescan_store); > + > > static ssize_t remove_store(struct device *dev, struct device_attribute *attr, > const char *buf, size_t count) > @@ -481,9 +484,9 @@ static ssize_t remove_store(struct device *dev, struct device_attribute *attr, > static DEVICE_ATTR_IGNORE_LOCKDEP(remove, 0220, NULL, > remove_store); > > -static ssize_t bus_rescan_store(struct device *dev, > - struct device_attribute *attr, > - const char *buf, size_t count) > +static ssize_t dev_bus_rescan_store(struct device *dev, > + struct device_attribute *attr, > + const char *buf, size_t count) > { > unsigned long val; > struct pci_bus *bus = to_pci_bus(dev); > @@ -501,7 +504,7 @@ static ssize_t bus_rescan_store(struct device *dev, > } > return count; > } > -static DEVICE_ATTR_WO(bus_rescan); > +static DEVICE_ATTR(rescan, 0220, NULL, dev_bus_rescan_store); > > #if defined(CONFIG_PM) && defined(CONFIG_ACPI) > static ssize_t d3cold_allowed_store(struct device *dev, > @@ -641,7 +644,7 @@ static struct attribute *pcie_dev_attrs[] = { > }; > > static struct attribute *pcibus_attrs[] = { > - &dev_attr_bus_rescan.attr, > + &dev_attr_rescan.attr, > &dev_attr_cpuaffinity.attr, > &dev_attr_cpulistaffinity.attr, > NULL, > @@ -1487,7 +1490,7 @@ static umode_t pci_dev_attrs_are_visible(struct kobject *kobj, > > static struct attribute *pci_dev_hp_attrs[] = { > &dev_attr_remove.attr, > - &dev_attr_dev_rescan.attr, > + &dev_rescan_attr.attr, > NULL, > }; > >
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