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Patch "drm/meson: fix memory leak on ->hpd_notify callback" has been added to the 6.1-stable tree

PATCH [email protected] 1 participant 1 message Oct 4, 2023

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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 6.1-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-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From 099f0af9d98231bb74956ce92508e87cbcb896be Mon Sep 17 00:00:00 2001
From: Jani Nikula <[email protected]>
Date: Thu, 14 Sep 2023 16:10:15 +0300
Subject: drm/meson: fix memory leak on ->hpd_notify callback

From: Jani Nikula <[email protected]>

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 <[email protected]>
Cc Sam Ravnborg <[email protected]>
Cc Martin Blumenstingl <[email protected]>
Cc Neil Armstrong <[email protected]>
Cc Kevin Hilman <[email protected]>
Cc Jerome Brunet <[email protected]>
Cc [email protected] # v5.17+
---
 drivers/gpu/drm/meson/meson_encoder_hdmi.c |    2 ++
 1 file changed, 2 insertions(+)
drivers/gpu/drm/meson/meson_encoder_hdmi.c +2 -0
@@ -332,6 +332,8 @@ 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 [email protected] are

queue-6.1/drm-meson-fix-memory-leak-on-hpd_notify-callback.patch