diff options
| author | Tejun Heo <tj@kernel.org> | 2014-02-03 20:03:02 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-08 00:42:41 +0100 |
| commit | bc6caf02cccedd30c9458e26dfdd8118af574ae5 (patch) | |
| tree | 9c0f72f4ba0001d4ddcca7122a0243c2ccb1bb54 | |
| parent | kernfs, sysfs, driver-core: implement kernfs_remove_self() and its wrappers (diff) | |
| download | linux-bc6caf02cccedd30c9458e26dfdd8118af574ae5.tar.xz linux-bc6caf02cccedd30c9458e26dfdd8118af574ae5.zip | |
pci: use device_remove_file_self() instead of device_schedule_callback()
driver-core now supports synchrnous self-deletion of attributes and
the asynchrnous removal mechanism is scheduled for removal. Use it
instead of device_schedule_callback(). This makes "remove" behave
synchronously.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-pci@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 276ef9c18802..4e0acefb7565 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -351,28 +351,17 @@ static struct device_attribute dev_rescan_attr = __ATTR(rescan, (S_IWUSR|S_IWGRP), NULL, dev_rescan_store); -static void remove_callback(struct device *dev) -{ - pci_stop_and_remove_bus_device_locked(to_pci_dev(dev)); -} - static ssize_t -remove_store(struct device *dev, struct device_attribute *dummy, +remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - int ret = 0; unsigned long val; if (kstrtoul(buf, 0, &val) < 0) return -EINVAL; - /* An attribute cannot be unregistered by one of its own methods, - * so we have to use this roundabout approach. - */ - if (val) - ret = device_schedule_callback(dev, remove_callback); - if (ret) - count = ret; + if (val && device_remove_file_self(dev, attr)) + pci_stop_and_remove_bus_device_locked(to_pci_dev(dev)); return count; } static struct device_attribute dev_remove_attr = __ATTR(remove, |