[PATCH 1/2] dinput: Combine GUID checks into a single if/else block in hid_joystick_create_device().

[Zebediah Figura]

I find this clearer, especially with respect to how device_path_guid is handled.

Signed-off-by: Zebediah Figura 
---
 dlls/dinput/joystick_hid.c | 33 ++++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/dlls/dinput/joystick_hid.c b/dlls/dinput/joystick_hid.c
index 5fdc563054b..e54d50f8bfa 100644
--- a/dlls/dinput/joystick_hid.c
+++ b/dlls/dinput/joystick_hid.c
@@ -2035,19 +2035,6 @@ HRESULT hid_joystick_create_device( struct dinput *dinput, const GUID *guid, IDi
     TRACE( "dinput %p, guid %s, out %p\n", dinput, debugstr_guid( guid ), out );

*out = NULL;
-    instance.guidProduct.Data1 = dinput_pidvid_guid.Data1;
-    instance.guidInstance.Data1 = hid_joystick_guid.Data1;
-    if (IsEqualGUID( &dinput_pidvid_guid, &instance.guidProduct ))
-        instance.guidProduct = *guid;
-    else if (IsEqualGUID( &hid_joystick_guid, &instance.guidInstance ))
-        instance.guidInstance = *guid;
-    else
-    {
-        instance.guidInstance.Data1 = device_path_guid.Data1;
-        instance.guidInstance.Data2 = device_path_guid.Data2;
-        instance.guidInstance.Data3 = device_path_guid.Data3;
-        if (!IsEqualGUID( &device_path_guid, &instance.guidInstance )) return DIERR_DEVICENOTREG;
-    }

if (!(impl = calloc( 1, sizeof(*impl) ))) return E_OUTOFMEMORY;
     dinput_device_init( &impl->base, &hid_joystick_vtbl, guid, dinput );
@@ -2056,15 +2043,31 @@ HRESULT hid_joystick_create_device( struct dinput *dinput, const GUID *guid, IDi
     impl->base.read_event = CreateEventW( NULL, TRUE, FALSE, NULL );
     impl->internal_ref = 1;

-    if (!IsEqualGUID( &device_path_guid, &instance.guidInstance ))
+    instance.guidProduct.Data1 = dinput_pidvid_guid.Data1;
+    instance.guidInstance.Data1 = hid_joystick_guid.Data1;
+    if (IsEqualGUID( &dinput_pidvid_guid, &instance.guidProduct ))
+    {
+        instance.guidProduct = *guid;
         hr = hid_joystick_device_open( -1, &instance, impl->device_path, &impl->device, &impl->preparsed,
                                        &attrs, &impl->caps, dinput->dwVersion );
-    else
+    }
+    else if (IsEqualGUID( &hid_joystick_guid, &instance.guidInstance ))
+    {
+        instance.guidInstance = *guid;
+        hr = hid_joystick_device_open( -1, &instance, impl->device_path, &impl->device, &impl->preparsed,
+                                       &attrs, &impl->caps, dinput->dwVersion );
+    }
+    else if (!memcmp( &device_path_guid.Data4, instance.guidInstance.Data4, sizeof(device_path_guid.Data4) ))
     {
         wcscpy( impl->device_path, *(const WCHAR **)guid );
         hr = hid_joystick_device_try_open( 0, impl->device_path, &impl->device, &impl->preparsed, &attrs,
                                            &impl->caps, &instance, dinput->dwVersion );
     }
+    else
+    {
+        hr = DIERR_DEVICENOTREG;
+    }
+
     if (hr != DI_OK) goto failed;

impl->base.instance = instance;