This is a note to let you know that I've just added the patch titled drm/meson: fix memory leak on ->hpd_notify callback to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-meson-fix-memory-leak-on-hpd_notify-callback.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 099f0af9d98231bb74956ce92508e87cbcb896be Mon Sep 17 00:00:00 2001 From: Jani Nikula <jani.nikula@xxxxxxxxx> Date: Thu, 14 Sep 2023 16:10:15 +0300 Subject: drm/meson: fix memory leak on ->hpd_notify callback From: Jani Nikula <jani.nikula@xxxxxxxxx> commit 099f0af9d98231bb74956ce92508e87cbcb896be upstream. The EDID returned by drm_bridge_get_edid() needs to be freed. Fixes: 0af5e0b41110 ("drm/meson: encoder_hdmi: switch to bridge DRM_BRIDGE_ATTACH_NO_CONNECTOR") Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx> Cc: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> Cc: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Cc: Kevin Hilman <khilman@xxxxxxxxxxxx> Cc: Jerome Brunet <jbrunet@xxxxxxxxxxxx> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Cc: linux-amlogic@xxxxxxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: stable@xxxxxxxxxxxxxxx # v5.17+ Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20230914131015.2472029-1-jani.nikula@xxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/meson/meson_encoder_hdmi.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c +++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c @@ -326,6 +326,8 @@ static void meson_encoder_hdmi_hpd_notif return; cec_notifier_set_phys_addr_from_edid(encoder_hdmi->cec_notifier, edid); + + kfree(edid); } else cec_notifier_phys_addr_invalidate(encoder_hdmi->cec_notifier); } Patches currently in stable-queue which might be from jani.nikula@xxxxxxxxx are queue-5.15/drm-meson-fix-memory-leak-on-hpd_notify-callback.patch