[PATCH 2/2] setupapi: Fix an off by one error.

[Zhiyi Zhang]

Although RegSetValueExW will add a NULL character if it's missing,
better do it right.

Signed-off-by: Zhiyi Zhang 
---
 dlls/setupapi/devinst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/setupapi/devinst.c b/dlls/setupapi/devinst.c
index 46987c8eb9..cc21839049 100644
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -1583,7 +1583,7 @@ BOOL WINAPI SetupDiCreateDeviceInfoW(HDEVINFO devinfo, const WCHAR *name, const
     if (description)
     {
         SETUPDI_SetDeviceRegistryPropertyW(device, SPDRP_DEVICEDESC,
-                (const BYTE *)description, lstrlenW(description) * sizeof(WCHAR));
+                (const BYTE *)description, (lstrlenW(description) + 1) * sizeof(WCHAR));
     }

if (device_data)