g3dvl: Return BadAlloc if we can't create an XvMC surface.

src/gallium/state_trackers/g3dvl/vl_surface.c

@@ -51,6 +51,12 @@ int vlCreateSurface
 
 	sfc->texture = vlGetPipeScreen(screen)->texture_create(vlGetPipeScreen(screen), &template);
 
+	if (!sfc->texture)
+	{
+		FREE(sfc);
+		return 1;
+	}
+
 	*surface = sfc;
 
 	return 0;

src/xvmc/surface.c

@@ -73,14 +73,13 @@ Status XvMCCreateSurface(Display *display, XvMCContext *context, XvMCSurface *su
 
 	assert(display == vlGetNativeDisplay(vlGetDisplay(vlContextGetScreen(vl_ctx))));
 
-	vlCreateSurface
-	(
-		vlContextGetScreen(vl_ctx),
-		context->width,
-		context->height,
-		vlGetPictureFormat(vl_ctx),
-		&vl_sfc
-	);
+	if (vlCreateSurface(vlContextGetScreen(vl_ctx),
+	                    context->width, context->height,
+	                    vlGetPictureFormat(vl_ctx),
+	                    &vl_sfc))
+	{
+		return BadAlloc;
+	}
 
 	vlBindToContext(vl_sfc, vl_ctx);