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[media] adv7604: Check v4l2_of_parse_endpoint() return value

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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>
This commit is contained in:
Javier Martinez Canillas 2016-01-11 14:47:10 -02:00 committed by Mauro Carvalho Chehab
parent f7842cfd3c
commit 7f6cd6c40d
1 changed files with 6 additions and 1 deletions
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7
drivers/media/i2c/adv7604.c
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@ -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;