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authorEric W. Biederman <ebiederm@xmission.com>2009-02-20 20:16:07 -0800
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-03-20 10:47:33 -0700
commitae40582e9959cdb7bfe4b918be8e3d19f9511798 (patch)
treebb46eb3c3ba364b219fa1138011c98e82237604b /drivers/pci/pcie
parent10a0ef39fbd1d484c2bbc1ffd83d57ecef209140 (diff)
PCI: pcie_portdriver: fix pcie_port_device_remove
pcie_port_device_remove currently calls the remove method of port drivers twice. Ouch! We are calling device_for_each_child multiple times for no apparent reason. So make it simple. Place put_device and device_unregister into remove_iter, and throw out the rest. Only call device_for_each_child once. The code is simpler and actually works! Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pcie')
-rw-r--r--drivers/pci/pcie/portdrv_core.c23
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 3aea92a9292..569af0015fc 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -456,16 +456,9 @@ int pcie_port_device_resume(struct pci_dev *dev)
static int remove_iter(struct device *dev, void *data)
{
- struct pcie_port_service_driver *service_driver;
-
if (dev->bus == &pcie_port_bus_type) {
- if (dev->driver) {
- service_driver = to_service_driver(dev->driver);
- if (service_driver->remove)
- service_driver->remove(to_pcie_device(dev));
- }
- *(unsigned long*)data = (unsigned long)dev;
- return 1;
+ put_device(dev);
+ device_unregister(dev);
}
return 0;
}
@@ -480,18 +473,8 @@ static int remove_iter(struct device *dev, void *data)
void pcie_port_device_remove(struct pci_dev *dev)
{
struct pcie_port_data *port_data = pci_get_drvdata(dev);
- int status;
-
- do {
- unsigned long device_addr;
- status = device_for_each_child(&dev->dev, &device_addr, remove_iter);
- if (status) {
- struct device *device = (struct device*)device_addr;
- put_device(device);
- device_unregister(device);
- }
- } while (status);
+ device_for_each_child(&dev->dev, NULL, remove_iter);
switch (port_data->port_irq_mode) {
case PCIE_PORT_MSIX_MODE: