From: Javier Martinez Canillas <javier@osg.samsung.com>
Date: Mon, 11 Jan 2016 16:47:10 +0000 (-0200)
Subject: [media] adv7604: Check v4l2_of_parse_endpoint() return value
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=7f6cd6c40d7bf3c640294359a8a835d03c94d634;p=openwrt%2Fstaging%2Fblogic.git

[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>
---

diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 5d4dbd05f9d6..801a9b09d5e5 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;