[PATCH 09/13] ddraw: Emit warning when returning an error code from Pick.

[Myah Caron]

From: Myah Caron

---
 dlls/ddraw/device.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/dlls/ddraw/device.c b/dlls/ddraw/device.c
index 5d850c53caf..586d189d882 100644
--- a/dlls/ddraw/device.c
+++ b/dlls/ddraw/device.c
@@ -1044,8 +1044,15 @@ static HRESULT WINAPI d3d_device1_Pick(IDirect3DDevice *iface, IDirect3DExecuteB
             iface, buffer, viewport, flags, wine_dbgstr_rect((RECT *)rect));

/* Sanity checks */
-    if (!iface || !buffer || !viewport)
+    if (!buffer)
     {
+        WARN("NULL buffer, returning DDERR_INVALIDPARAMS\n");
+        return DDERR_INVALIDPARAMS;
+    }
+
+    if (!viewport)
+    {
+        WARN("NULL viewport, returning DDERR_INVALIDPARAMS\n");
         return DDERR_INVALIDPARAMS;
     }