dinput: Pass buffer byte length to HidD_GetProductString.

Instead of then number of WCHAR. Signed-off-by: Ivo Ivanov <logos128@gmail.com> Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dinput: Pass buffer byte length to HidD_GetProductString.
16bc6b05 · Ivo Ivanov · Alexandre Julliard · 6501968d · 16bc6b05
Commit 16bc6b05 authored Nov 12, 2021 by Ivo Ivanov Committed by Alexandre Julliard Nov 12, 2021
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joystick_hid.c dlls/dinput/joystick_hid.c +2 -2

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--- a/dlls/dinput/joystick_hid.c
+++ b/dlls/dinput/joystick_hid.c
@@ -1239,8 +1239,8 @@ static BOOL hid_joystick_device_try_open( UINT32 handle, const WCHAR *path, HAND
    if (caps->UsagePage != HID_USAGE_PAGE_GENERIC) goto failed;
    if (caps->Usage != HID_USAGE_GENERIC_GAMEPAD && caps->Usage != HID_USAGE_GENERIC_JOYSTICK) goto failed;

-    if (!HidD_GetProductString( device_file, instance->tszInstanceName, MAX_PATH )) goto failed;
-    if (!HidD_GetProductString( device_file, instance->tszProductName, MAX_PATH )) goto failed;
+    if (!HidD_GetProductString( device_file, instance->tszInstanceName, MAX_PATH * sizeof(WCHAR) )) goto failed;
+    if (!HidD_GetProductString( device_file, instance->tszProductName, MAX_PATH * sizeof(WCHAR) )) goto failed;

    instance->guidInstance = hid_joystick_guid;
    instance->guidInstance.Data1 ^= handle;