drm/qxl: add NULL check for bo->resource

When allocations fails that can be NULL now. Signed-off-by: Christian König <[email protected]> Reported-by: Daniel Bristot de Oliveira <[email protected]> Tested-by: Daniel Bristot de Oliveira <[email protected]> Tested-by: Roberto Sassu <[email protected]> Fixes: bfa3357 ("drm/ttm: allocate resource object instead of embedding it v2") Acked-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
LoveHeat · Jul 9, 2021 · 3efe180 · 3efe180
1 parent f18f580
commit 3efe180
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -127,7 +127,7 @@ static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
 	struct qxl_bo *qbo;
 	struct qxl_device *qdev;
 
-	if (!qxl_ttm_bo_is_qxl_bo(bo))
+	if (!qxl_ttm_bo_is_qxl_bo(bo) || !bo->resource)
 		return;
 	qbo = to_qxl_bo(bo);
 	qdev = to_qxl(qbo->tbo.base.dev);