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The cause of the bugs are missing of_node_put() after of_graph_get_remote_node(). changes in v2: - patch#2:Fixed patch in meson_encoder_hdmi_init, call of_node_put() after of_find_device_by_node() and error paths before that. noted by Martin Blumenstingl (patch#1: no changes since v1) v1 link: patch#1: https://lore.kernel.org/r/20220531144818.26943-1-linmq006@gmail.com/ patch#2: https://lore.kernel.org/r/20220531144818.26943-2-linmq006@gmail.com/ Miaoqian Lin (2): drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init drm/meson: encoder_hdmi: Fix refcount leak in meson_encoder_hdmi_init drivers/gpu/drm/meson/meson_encoder_cvbs.c | 1 + drivers/gpu/drm/meson/meson_encoder_hdmi.c | 15 +++++++++++---- 2 files changed, 12 insertions(+), 4 deletions(-) -- 2.25.1