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pci_host: remove unnecessary & 0xff.

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This patch removes unnecessary & 0xff in pci_dev_find_by_addr().

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Isaku Yamahata 2009-11-12 14:58:37 +09:00 committed by Michael S. Tsirkin
parent c469e1dd63
commit 42331e9f2f
1 changed files with 3 additions and 2 deletions
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5
hw/pci_host.c
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@ -42,8 +42,9 @@ do { printf("pci_host_data: " fmt , ## __VA_ARGS__); } while (0)
/* the helper functio to get a PCIDeice* for a given pci address */
static inline PCIDevice *pci_dev_find_by_addr(PCIBus *bus, uint32_t addr)
{
uint8_t bus_num = (addr >> 16) & 0xff;
uint8_t devfn = (addr >> 8) & 0xff;
uint8_t bus_num = addr >> 16;
uint8_t devfn = addr >> 8;
return pci_find_device(bus, bus_num, PCI_SLOT(devfn), PCI_FUNC(devfn));
}