6.6-stable review patch. If anyone has any objections, please let me know.
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From: Jani Nikula jani.nikula@intel.com
commit fcaf9761fd5884a64eaac48536f8c27ecfd2e6bc upstream.
Setting new_edid to NULL leaks the buffer.
Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver") Cc: Markus Schneider-Pargmann msp@baylibre.com Cc: Guillaume Ranquet granquet@baylibre.com Cc: Bo-Chen Chen rex-bc.chen@mediatek.com Cc: CK Hu ck.hu@mediatek.com Cc: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Cc: Dmitry Osipenko dmitry.osipenko@collabora.com Cc: Chun-Kuang Hu chunkuang.hu@kernel.org Cc: Philipp Zabel p.zabel@pengutronix.de Cc: Matthias Brugger matthias.bgg@gmail.com Cc: dri-devel@lists.freedesktop.org Cc: linux-mediatek@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: stable@vger.kernel.org # v6.1+ Signed-off-by: Jani Nikula jani.nikula@intel.com Reviewed-by: Guillaume Ranquet granquet@baylibre.com Link: https://patchwork.kernel.org/project/dri-devel/patch/20230914131058.2472260-... Signed-off-by: Chun-Kuang Hu chunkuang.hu@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/mediatek/mtk_dp.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -2048,6 +2048,7 @@ static struct edid *mtk_dp_get_edid(stru */ if (mtk_dp_parse_capabilities(mtk_dp)) { drm_err(mtk_dp->drm_dev, "Can't parse capabilities\n"); + kfree(new_edid); new_edid = NULL; }