[PATCH 10/17] drm/imx: imx-ldb: fix edid memory leak

[Marco Felsch]

The edid memory is only freed if the component.unbind() is called. This
is okay if the imx-ldb was bound but if the bind() fails we leek the
memory.

Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
 drivers/gpu/drm/imx/imx-ldb.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 92fb85703c73..06b435f9b6c9 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -552,9 +552,9 @@ static int imx_ldb_panel_ddc(struct device *dev,
 		edidp = of_get_property(child, "edid",
 					&channel->edid_len);
 		if (edidp) {
-			channel->edid = kmemdup(edidp,
-						channel->edid_len,
-						GFP_KERNEL);
+			channel->edid = devm_kmemdup(dev, edidp,
+						     channel->edid_len,
+						     GFP_KERNEL);
 		} else if (!channel->panel) {
 			/* fallback to display-timings node */
 			ret = of_get_drm_display_mode(child,
@@ -711,7 +711,6 @@ static void imx_ldb_unbind(struct device *dev, struct device *master,
 		if (channel->panel)
 			drm_panel_detach(channel->panel);
 
-		kfree(channel->edid);
 		i2c_put_adapter(channel->ddc);
 	}
 }
-- 
2.20.1