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authorTejun Heo <tj@kernel.org>2014-02-03 14:03:02 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-07 15:42:41 -0800
commitbc6caf02cccedd30c9458e26dfdd8118af574ae5 (patch)
tree9c0f72f4ba0001d4ddcca7122a0243c2ccb1bb54 /drivers/pci/pci-sysfs.c
parent6b0afc2a21726b2d6b6aa441af40cafaf5405cc8 (diff)
downloadop-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.c17
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,
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