This is a note to let you know that I've just added the patch titled drm/mediatek/dp: fix memory leak on ->get_edid callback audio detection to the 6.6-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-mediatek-dp-fix-memory-leak-on-get_edid-callback-audio-detection.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From dab12fa8d2bd3868cf2de485ed15a3feef28a13d Mon Sep 17 00:00:00 2001 From: Jani Nikula <jani.nikula@xxxxxxxxx> Date: Thu, 14 Sep 2023 18:53:17 +0300 Subject: drm/mediatek/dp: fix memory leak on ->get_edid callback audio detection From: Jani Nikula <jani.nikula@xxxxxxxxx> commit dab12fa8d2bd3868cf2de485ed15a3feef28a13d upstream. The sads returned by drm_edid_to_sad() needs to be freed. Fixes: e71a8ebbe086 ("drm/mediatek: dp: Audio support for MT8195") Cc: Guillaume Ranquet <granquet@xxxxxxxxxxxx> Cc: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> Cc: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> Cc: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Cc: linux-mediatek@xxxxxxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: <stable@xxxxxxxxxxxxxxx> # v6.1+ Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx> Link: https://patchwork.kernel.org/project/dri-devel/patch/20230914155317.2511876-1-jani.nikula@xxxxxxxxx/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_dp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -2034,7 +2034,6 @@ static struct edid *mtk_dp_get_edid(stru bool enabled = mtk_dp->enabled; struct edid *new_edid = NULL; struct mtk_dp_audio_cfg *audio_caps = &mtk_dp->info.audio_cur_cfg; - struct cea_sad *sads; if (!enabled) { drm_atomic_bridge_chain_pre_enable(bridge, connector->state->state); @@ -2053,7 +2052,11 @@ static struct edid *mtk_dp_get_edid(stru } if (new_edid) { + struct cea_sad *sads; + audio_caps->sad_count = drm_edid_to_sad(new_edid, &sads); + kfree(sads); + audio_caps->detect_monitor = drm_detect_monitor_audio(new_edid); } Patches currently in stable-queue which might be from jani.nikula@xxxxxxxxx are queue-6.6/drm-msm-dp-skip-validity-check-for-dp-cts-edid-check.patch queue-6.6/i915-perf-fix-null-deref-bugs-with-drm_dbg-calls.patch queue-6.6/drm-mediatek-dp-fix-memory-leak-on-get_edid-callback-error-path.patch queue-6.6/drm-edid-fixup-h-vsync_end-instead-of-h-vtotal.patch queue-6.6/drm-mediatek-dp-fix-memory-leak-on-get_edid-callback-audio-detection.patch queue-6.6/drm-i915-mtl-avoid-stringop-overflow-warning.patch queue-6.6/drm-i915-tc-fix-wformat-truncation-in-intel_tc_port_.patch