diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2012-08-17 15:53:27 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-08-22 11:31:37 -0600 |
| commit | 66455f5472383df3632140e04f0852215e5c9ce8 (patch) | |
| tree | 647bff405ef4cbdd01b1dba594e632b715029e54 | |
| parent | 125e14bb35e65b1ddfb7252fa8f6e3c50dbb6db2 (diff) | |
| download | linux-66455f5472383df3632140e04f0852215e5c9ce8.tar.bz2 | |
PCI: Use list_for_each_entry() for bus->devices traversal
Replace list_for_each() + pci_dev_b() with the simpler
list_for_each_entry().
Tested-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
| -rw-r--r-- | drivers/pci/remove.c | 13 | ||||
| -rw-r--r-- | drivers/pci/search.c | 6 |
2 files changed, 8 insertions, 11 deletions
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index b18dc2ef09f2..f17a02781e67 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -114,16 +114,17 @@ void pci_stop_and_remove_bus_device(struct pci_dev *dev) static void __pci_remove_behind_bridge(struct pci_dev *dev) { - struct list_head *l, *n; + struct pci_dev *child, *tmp; if (dev->subordinate) - list_for_each_safe(l, n, &dev->subordinate->devices) - __pci_remove_bus_device(pci_dev_b(l)); + list_for_each_entry_safe(child, tmp, + &dev->subordinate->devices, bus_list) + __pci_remove_bus_device(child); } static void pci_stop_bus_devices(struct pci_bus *bus) { - struct list_head *l, *n; + struct pci_dev *dev, *tmp; /* * VFs could be removed by pci_stop_and_remove_bus_device() in the @@ -133,10 +134,8 @@ static void pci_stop_bus_devices(struct pci_bus *bus) * We can iterate the list backwards to get prev valid PF instead * of removed VF. */ - list_for_each_prev_safe(l, n, &bus->devices) { - struct pci_dev *dev = pci_dev_b(l); + list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) pci_stop_bus_device(dev); - } } /** diff --git a/drivers/pci/search.c b/drivers/pci/search.c index 993d4a0a2469..f56b2377cc01 100644 --- a/drivers/pci/search.c +++ b/drivers/pci/search.c @@ -130,16 +130,14 @@ pci_find_next_bus(const struct pci_bus *from) * decrement the reference count by calling pci_dev_put(). * If no device is found, %NULL is returned. */ -struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn) +struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn) { - struct list_head *tmp; struct pci_dev *dev; WARN_ON(in_interrupt()); down_read(&pci_bus_sem); - list_for_each(tmp, &bus->devices) { - dev = pci_dev_b(tmp); + list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->devfn == devfn) goto out; } |