From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Tue, 15 Dec 2009 11:26:04 +0000 (+0900)
Subject: msix: use range helper function.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=98a3cb024b0e4d5a4b1458946a82ea9b9619ba1c;p=qmiga%2Fqemu.git

msix: use range helper function.

use range helper function in msix_write_config().

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/msix.c b/hw/msix.c
index 0baedef42c..2ca0900c3c 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -175,7 +175,7 @@ void msix_write_config(PCIDevice *dev, uint32_t addr,
     unsigned enable_pos = dev->msix_cap + MSIX_CONTROL_OFFSET;
     int vector;
 
-    if (addr + len <= enable_pos || addr > enable_pos) {
+    if (!range_covers_byte(addr, len, enable_pos)) {
         return;
     }