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[media] tvp514x: 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>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Javier Martinez Canillas 2016-01-11 14:47:13 -02:00 committed by Mauro Carvalho Chehab
parent 2388309c74
commit fe1e6ac614
1 changed files with 4 additions and 2 deletions
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6
drivers/media/i2c/tvp514x.c
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@ -1001,7 +1001,7 @@ static struct tvp514x_decoder tvp514x_dev = {
static struct tvp514x_platform_data * static struct tvp514x_platform_data *
tvp514x_get_pdata(struct i2c_client *client) tvp514x_get_pdata(struct i2c_client *client)
{ {
struct tvp514x_platform_data *pdata; struct tvp514x_platform_data *pdata = NULL;
struct v4l2_of_endpoint bus_cfg; struct v4l2_of_endpoint bus_cfg;
struct device_node *endpoint; struct device_node *endpoint;
unsigned int flags; unsigned int flags;
@ -1013,11 +1013,13 @@ tvp514x_get_pdata(struct i2c_client *client)
if (!endpoint) if (!endpoint)
return NULL; return NULL;
if (v4l2_of_parse_endpoint(endpoint, &bus_cfg))
goto done;
pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) if (!pdata)
goto done; goto done;
v4l2_of_parse_endpoint(endpoint, &bus_cfg);
flags = bus_cfg.bus.parallel.flags; flags = bus_cfg.bus.parallel.flags;
if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)