From: Miaoqian Lin Date: Wed, 11 May 2022 05:40:51 +0000 (+0400) Subject: drm/meson: Fix refcount leak in meson_encoder_hdmi_init X-Git-Tag: baikal/mips/sdk6.1~5152^2~22^2~81 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=a4f97b62ea9c062a50cbbfee0fb65bab03e3aada;p=kernel.git drm/meson: Fix refcount leak in meson_encoder_hdmi_init of_find_device_by_node() takes reference, we should use put_device() to release it when not need anymore. Add missing put_device() in error path to avoid refcount leak. Fixes: bcf5446630b8 ("drm/meson: encoder_hdmi: switch to bridge DRM_BRIDGE_ATTACH_NO_CONNECTOR") Signed-off-by: Miaoqian Lin Reviewed-by: Martin Blumenstingl Reviewed-by: Neil Armstrong Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20220511054052.51981-1-linmq006@gmail.com --- diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c index 5e306de6f4853..de87f02cd388e 100644 --- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c +++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c @@ -435,8 +435,10 @@ int meson_encoder_hdmi_init(struct meson_drm *priv) cec_fill_conn_info_from_drm(&conn_info, meson_encoder_hdmi->connector); notifier = cec_notifier_conn_register(&pdev->dev, NULL, &conn_info); - if (!notifier) + if (!notifier) { + put_device(&pdev->dev); return -ENOMEM; + } meson_encoder_hdmi->cec_notifier = notifier; }