Patch "drm/meson: fix memory leak on ->hpd_notify callback" has been added to the 5.15-stable tree

[gregkh at linuxfoundation.org]

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 at vger.kernel.org> know about it.


>From 099f0af9d98231bb74956ce92508e87cbcb896be Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula at intel.com>
Date: Thu, 14 Sep 2023 16:10:15 +0300
Subject: drm/meson: fix memory leak on ->hpd_notify callback

From: Jani Nikula <jani.nikula at intel.com>

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 at baylibre.com>
Cc: Sam Ravnborg <sam at ravnborg.org>
Cc: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
Cc: Neil Armstrong <neil.armstrong at linaro.org>
Cc: Kevin Hilman <khilman at baylibre.com>
Cc: Jerome Brunet <jbrunet at baylibre.com>
Cc: dri-devel at lists.freedesktop.org
Cc: linux-amlogic at lists.infradead.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: stable at vger.kernel.org # v5.17+
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong at linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230914131015.2472029-1-jani.nikula@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 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 at intel.com are

queue-5.15/drm-meson-fix-memory-leak-on-hpd_notify-callback.patch