[PATCH 2/5] winebus.sys: Use WINEBUS\ as device id prefix for all buses.
Rémi Bernon
rbernon at codeweavers.com
Mon Sep 20 02:37:04 CDT 2021
Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
dlls/winebus.sys/main.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/dlls/winebus.sys/main.c b/dlls/winebus.sys/main.c
index d3f40806e73..92a41e4d8ef 100644
--- a/dlls/winebus.sys/main.c
+++ b/dlls/winebus.sys/main.c
@@ -209,15 +209,19 @@ static WCHAR *get_instance_id(DEVICE_OBJECT *device)
static WCHAR *get_device_id(DEVICE_OBJECT *device)
{
static const WCHAR input_format[] = L"&MI_%02u";
- static const WCHAR format[] = L"%s\\vid_%04x&pid_%04x";
+ static const WCHAR winebus_format[] = L"WINEBUS\\VID_%04X&PID_%04X";
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
- DWORD pos = 0, len = wcslen(ext->desc.busid) + 34;
+ DWORD pos = 0, len = 0, input_len = 0, winebus_len = 25;
WCHAR *dst;
+ if (ext->desc.input != -1) input_len = 14;
+
+ len += winebus_len + input_len + 1;
+
if ((dst = ExAllocatePool(PagedPool, len * sizeof(WCHAR))))
{
- pos += swprintf(dst + pos, len - pos, format, ext->desc.busid, ext->desc.vid, ext->desc.pid);
- if (ext->desc.input != -1) pos += swprintf(dst + pos, len - pos, input_format, ext->desc.input);
+ pos += swprintf(dst + pos, len - pos, winebus_format, ext->desc.vid, ext->desc.pid);
+ if (input_len) pos += swprintf(dst + pos, len - pos, input_format, ext->desc.input);
}
return dst;
--
2.33.0
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