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[Qemu-devel] [PATCH V2 09/20] pci_host: remove unnecessary & 0xff.


From: Isaku Yamahata
Subject: [Qemu-devel] [PATCH V2 09/20] pci_host: remove unnecessary & 0xff.
Date: Fri, 13 Nov 2009 13:29:45 +0900

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

Signed-off-by: Isaku Yamahata <address@hidden>
Acked-by: Michael S. Tsirkin <address@hidden>
---
 hw/pci_host.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

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));
 }
 
-- 
1.6.0.2





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