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drm/rockchip: drv: put device node after used

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Change-Id: Iab4a4cd2879303b0eaa056ec1040abb627886f0b
Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
This commit is contained in:
Zhang Yubing
2024-03-07 10:26:17 +08:00
committed by Tao Huang
parent e34d4bd738
commit 7379ebcdf6
1 changed files with 16 additions and 5 deletions
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21
drivers/gpu/drm/rockchip/rockchip_drm_logo.c
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@@ -43,13 +43,18 @@ find_crtc_by_node(struct drm_device *drm_dev, struct device_node *node)
struct drm_crtc *crtc;
np_crtc = of_get_parent(node);
if (!np_crtc || !of_device_is_available(np_crtc))
if (!np_crtc || !of_device_is_available(np_crtc)) {
of_node_put(np_crtc);
return NULL;
}
drm_for_each_crtc(crtc, drm_dev) {
if (crtc->port == np_crtc)
if (crtc->port == np_crtc) {
of_node_put(np_crtc);
return crtc;
}
}
of_node_put(np_crtc);
return NULL;
}
@@ -61,10 +66,13 @@ find_sub_dev_by_node(struct drm_device *drm_dev, struct device_node *node)
struct rockchip_drm_sub_dev *sub_dev;
np_connector = of_graph_get_remote_port_parent(node);
if (!np_connector || !of_device_is_available(np_connector))
if (!np_connector || !of_device_is_available(np_connector)) {
of_node_put(np_connector);
return NULL;
}
sub_dev = rockchip_drm_get_sub_dev(np_connector);
of_node_put(np_connector);
if (!sub_dev)
return NULL;
@@ -108,7 +116,7 @@ find_sub_dev_by_bridge(struct drm_device *drm_dev, struct device_node *node)
goto err_put_port;
}
sub_dev = rockchip_drm_get_sub_dev(np_connector);
sub_dev = rockchip_drm_get_sub_dev(np_connector);
if (!sub_dev)
goto err_put_port;
@@ -456,8 +464,10 @@ of_parse_display_resource(struct drm_device *drm_dev, struct device_node *route)
return NULL;
fb = get_framebuffer_by_node(drm_dev, route);
if (IS_ERR_OR_NULL(fb))
if (IS_ERR_OR_NULL(fb)) {
of_node_put(connect);
return NULL;
}
crtc = find_crtc_by_node(drm_dev, connect);
@@ -465,6 +475,7 @@ of_parse_display_resource(struct drm_device *drm_dev, struct device_node *route)
if (!sub_dev)
sub_dev = find_sub_dev_by_bridge(drm_dev, connect);
of_node_put(connect);
if (!crtc || !sub_dev) {
dev_warn(drm_dev->dev,