From 7f6cd6c40d7bf3c640294359a8a835d03c94d634 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javier@osg.samsung.com>
Date: Mon, 11 Jan 2016 14:47:10 -0200
Subject: [PATCH] [media] adv7604: Check v4l2_of_parse_endpoint() return value
The v4l2_of_parse_endpoint() function can fail so check the return value.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---
drivers/media/i2c/adv7604.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 5d4dbd05f9d68..801a9b09d5e51 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -2820,6 +2820,7 @@ static int adv76xx_parse_dt(struct adv76xx_state *state)
struct device_node *endpoint;
struct device_node *np;
unsigned int flags;
+ int ret;
u32 v;
np = state->i2c_clients[ADV76XX_PAGE_IO]->dev.of_node;
@@ -2829,7 +2830,11 @@ static int adv76xx_parse_dt(struct adv76xx_state *state)
if (!endpoint)
return -EINVAL;
- v4l2_of_parse_endpoint(endpoint, &bus_cfg);
+ ret = v4l2_of_parse_endpoint(endpoint, &bus_cfg);
+ if (ret) {
+ of_node_put(endpoint);
+ return ret;
+ }
if (!of_property_read_u32(endpoint, "default-input", &v))
state->pdata.default_input = v;
--
2.30.2