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author | Tejun Heo <tj@kernel.org> | 2014-02-03 14:03:02 -0500 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-07 15:42:41 -0800 |
commit | bc6caf02cccedd30c9458e26dfdd8118af574ae5 (patch) | |
tree | 9c0f72f4ba0001d4ddcca7122a0243c2ccb1bb54 /drivers/pci/pci-sysfs.c | |
parent | 6b0afc2a21726b2d6b6aa441af40cafaf5405cc8 (diff) | |
download | op-kernel-dev-bc6caf02cccedd30c9458e26dfdd8118af574ae5.zip op-kernel-dev-bc6caf02cccedd30c9458e26dfdd8118af574ae5.tar.gz |
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>
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-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 276ef9c..4e0acef 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, |