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drm: Use list_for_each_entry() for bus traversal

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Replace list_for_each() + pci_bus_b() with list_for_each_entry().

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yijing Wang
2014-02-13 21:14:00 +08:00
committed by Bjorn Helgaas
parent f0197e0cc6
commit 59c1ad3b82
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/drm_fops.c
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@@ -319,7 +319,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
pci_dev_put(pci_dev); pci_dev_put(pci_dev);
} }
if (!dev->hose) { if (!dev->hose) {
struct pci_bus *b = pci_bus_b(pci_root_buses.next); struct pci_bus *b = list_entry(pci_root_buses.next,
struct pci_bus, node);
if (b) if (b)
dev->hose = b->sysdata; dev->hose = b->sysdata;
} }