[PATCH 02/17] drm/imx: parallel-display: fix edid memory leak

[Marco Felsch]

The edid memory is only freed if the component.unbind() is called. This
is okay if the parallel-display was binded but if the bind() fails we
leek the memory.

Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
 drivers/gpu/drm/imx/parallel-display.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index b2dbf0bc4cdc..1f08fe8337d7 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -202,7 +202,8 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
 
 	edidp = of_get_property(np, "edid", &imxpd->edid_len);
 	if (edidp)
-		imxpd->edid = kmemdup(edidp, imxpd->edid_len, GFP_KERNEL);
+		imxpd->edid = devm_kmemdup(dev, edidp, imxpd->edid_len,
+					   GFP_KERNEL);
 
 	ret = of_property_read_string(np, "interface-pix-fmt", &fmt);
 	if (!ret) {
@@ -240,8 +241,6 @@ static void imx_pd_unbind(struct device *dev, struct device *master,
 
 	if (imxpd->panel)
 		drm_panel_detach(imxpd->panel);
-
-	kfree(imxpd->edid);
 }
 
 static const struct component_ops imx_pd_ops = {
-- 
2.20.1