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[V2,09/20] pci_host: remove unnecessary & 0xff.

Message ID 1258086596-3584-10-git-send-email-yamahata@valinux.co.jp
State New
Headers show

Commit Message

Isaku Yamahata Nov. 13, 2009, 4:29 a.m. UTC 
This patch removes unnecessary & 0xff in pci_dev_find_by_addr().

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/pci_host.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/hw/pci_host.c b/hw/pci_host.c
index 45ddcd1..eeb8dee 100644
--- a/hw/pci_host.c
+++ b/hw/pci_host.c
@@ -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));
 }