On 22/07/2022 17:43, Liang He wrote:
In dss_init_ports() and __dss_uninit_ports(), we should call
of_node_put() for the reference returned by of_graph_get_port_by_id()
in fail path or when it is not used anymore.
Fixes: 09bffa6e5192 ("drm: omap: use common OF graph helpers")
Signed-off-by: Liang He <win...@126.com>
---
drivers/gpu/drm/omapdrm/dss/dss.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c
b/drivers/gpu/drm/omapdrm/dss/dss.c
index 0399f3390a0a..c4febb861910 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -1176,6 +1176,7 @@ static void __dss_uninit_ports(struct dss_device *dss,
unsigned int num_ports)
default:
break;
}
+ of_node_put(port);
}
}
@@ -1208,11 +1209,13 @@ static int dss_init_ports(struct dss_device *dss)
default:
break;
}
+ of_node_put(port);
}
return 0;
error:
+ of_node_put(port);
__dss_uninit_ports(dss, i);
return r;
}
Thanks, applying to drm-misc.
Tomi