diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2012-12-21 10:28:43 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-01-05 01:45:31 -0200 |
| commit | 70e176a5a9839ea22f0fbcfa21d1c8ae952a0dd2 (patch) | |
| tree | 4ab23748088e87ae0eb086a41dfdad4a222c0206 /drivers/media/i2c/soc_camera/mt9m001.c | |
| parent | 25a348110078cefa99b0b079938dd930cfc3a0be (diff) | |
| download | op-kernel-dev-70e176a5a9839ea22f0fbcfa21d1c8ae952a0dd2.zip op-kernel-dev-70e176a5a9839ea22f0fbcfa21d1c8ae952a0dd2.tar.gz | |
[media] soc-camera: use devm_kzalloc in subdevice drivers
I2C drivers can use devm_kzalloc() too in their .probe() methods. Doing so
simplifies their clean up paths.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/soc_camera/mt9m001.c')
| -rw-r--r-- | drivers/media/i2c/soc_camera/mt9m001.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/media/i2c/soc_camera/mt9m001.c b/drivers/media/i2c/soc_camera/mt9m001.c index 9ae7066..bcdc861 100644 --- a/drivers/media/i2c/soc_camera/mt9m001.c +++ b/drivers/media/i2c/soc_camera/mt9m001.c @@ -677,7 +677,7 @@ static int mt9m001_probe(struct i2c_client *client, return -EIO; } - mt9m001 = kzalloc(sizeof(struct mt9m001), GFP_KERNEL); + mt9m001 = devm_kzalloc(&client->dev, sizeof(struct mt9m001), GFP_KERNEL); if (!mt9m001) return -ENOMEM; @@ -697,12 +697,9 @@ static int mt9m001_probe(struct i2c_client *client, &mt9m001_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0, V4L2_EXPOSURE_AUTO); mt9m001->subdev.ctrl_handler = &mt9m001->hdl; - if (mt9m001->hdl.error) { - int err = mt9m001->hdl.error; + if (mt9m001->hdl.error) + return mt9m001->hdl.error; - kfree(mt9m001); - return err; - } v4l2_ctrl_auto_cluster(2, &mt9m001->autoexposure, V4L2_EXPOSURE_MANUAL, true); @@ -714,10 +711,8 @@ static int mt9m001_probe(struct i2c_client *client, mt9m001->rect.height = MT9M001_MAX_HEIGHT; ret = mt9m001_video_probe(ssdd, client); - if (ret) { + if (ret) v4l2_ctrl_handler_free(&mt9m001->hdl); - kfree(mt9m001); - } return ret; } @@ -730,7 +725,6 @@ static int mt9m001_remove(struct i2c_client *client) v4l2_device_unregister_subdev(&mt9m001->subdev); v4l2_ctrl_handler_free(&mt9m001->hdl); mt9m001_video_remove(ssdd); - kfree(mt9m001); return 0; } |
