From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Thu, 12 Nov 2009 05:58:37 +0000 (+0900)
Subject: pci_host: remove unnecessary & 0xff.
X-Git-Tag: v0.12.0-rc0~228^2~16
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=42331e9f2fa2d98acc8faf31c4b04de8ea2d7129;p=users%2Fdwmw2%2Fqemu.git

pci_host: remove unnecessary & 0xff.

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>
---

diff --git a/hw/pci_host.c b/hw/pci_host.c
index 45ddcd1e8f..eeb8deeafb 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));
 }