[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 5d4dbd0..801a9b0 100644 (file)
--- 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;