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[media] mt9v022: fix potential NULL pointer dereference in mt9v022_probe() 

The dereference to 'icl' should be moved below the NULL test.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Wei Yongjun 2012-11-28 23:56:15 -03:00 committed by Mauro Carvalho Chehab
parent 3a799c27b3
commit daf16bab1e
1 changed files with 2 additions and 1 deletions
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3
drivers/media/i2c/soc_camera/mt9v022.c
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@ -875,7 +875,7 @@ static int mt9v022_probe(struct i2c_client *client,
struct mt9v022 *mt9v022;
struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
struct mt9v022_platform_data *pdata = icl->priv;
struct mt9v022_platform_data *pdata;
int ret;
if (!icl) {
@ -893,6 +893,7 @@ static int mt9v022_probe(struct i2c_client *client,
if (!mt9v022)
return -ENOMEM;
pdata = icl->priv;
v4l2_i2c_subdev_init(&mt9v022->subdev, client, &mt9v022_subdev_ops);
v4l2_ctrl_handler_init(&mt9v022->hdl, 6);
v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops,