[PATCH] drm: qxl: add missing return check
DORMANTno replies
From: Dan Carpenter <hidden>
Date: 2017-03-14 07:54:10
Subsystem:
drm driver for qxl virtual gpu, drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
Dave Airlie, Gerd Hoffmann, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
My static checker complains that "release" is uninitialized if qxl_alloc_release_reserved() fails, so let's add a check for that. Signed-off-by: Dan Carpenter <redacted>
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 9548bb58d3bc..058340a002c2 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c@@ -572,6 +572,8 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, &release, NULL); + if (ret) + return; cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);