[PATCH] drm/mediatek/dp: fix memory leak on ->get_edid callback error path

[Jani Nikula]

Setting new_edid to NULL leaks the buffer.

Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver")
Cc: Markus Schneider-Pargmann <m...@baylibre.com>
Cc: Guillaume Ranquet <granq...@baylibre.com>
Cc: Bo-Chen Chen <rex-bc.c...@mediatek.com>
Cc: CK Hu <ck...@mediatek.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delre...@collabora.com>
Cc: Dmitry Osipenko <dmitry.osipe...@collabora.com>
Cc: Chun-Kuang Hu <chunkuang...@kernel.org>
Cc: Philipp Zabel <p.za...@pengutronix.de>
Cc: Matthias Brugger <matthias....@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media...@lists.infradead.org
Cc: linux-ker...@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: <sta...@vger.kernel.org> # v6.1+
Signed-off-by: Jani Nikula <jani.nik...@intel.com>

---

UNTESTED
---
 drivers/gpu/drm/mediatek/mtk_dp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c 
b/drivers/gpu/drm/mediatek/mtk_dp.c
index 2cb47f663756..8fc6eff68e30 100644
--- a/drivers/gpu/drm/mediatek/mtk_dp.c
+++ b/drivers/gpu/drm/mediatek/mtk_dp.c
@@ -2049,6 +2049,7 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge 
*bridge,
         */
        if (mtk_dp_parse_capabilities(mtk_dp)) {
                drm_err(mtk_dp->drm_dev, "Can't parse capabilities\n");
+               kfree(new_edid);
                new_edid = NULL;
        }
 
-- 
2.39.2