From: Li Qiang <liq3ea@gmail.com>
Date: Thu, 18 Oct 2018 02:10:37 +0000 (-0700)
Subject: qga: fix an off-by-one issue
X-Git-Tag: v3.1.0-rc0~16^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d9c85b6cc5a2597e72299bc6644c966236378e50;p=thirdparty%2Fqemu.git

qga: fix an off-by-one issue

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---

diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index a1b7512d462..ef1d7d48d2d 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -485,7 +485,7 @@ static STORAGE_BUS_TYPE win2qemu[] = {
 
 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
 {
-    if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) {
+    if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) {
         return GUEST_DISK_BUS_TYPE_UNKNOWN;
     }
     return win2qemu[(int)bus];