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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2012-12-21 17:28:43 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-05 07:45:31 +0400
commit70e176a5a9839ea22f0fbcfa21d1c8ae952a0dd2 (patch)
tree4ab23748088e87ae0eb086a41dfdad4a222c0206 /drivers/media/i2c/soc_camera/mt9t031.c
parent25a348110078cefa99b0b079938dd930cfc3a0be (diff)
downloadlinux-70e176a5a9839ea22f0fbcfa21d1c8ae952a0dd2.tar.xz
[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/mt9t031.c')
-rw-r--r--drivers/media/i2c/soc_camera/mt9t031.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/media/i2c/soc_camera/mt9t031.c b/drivers/media/i2c/soc_camera/mt9t031.c
index 9ca6d65cefaf..d80d044ebf15 100644
--- a/drivers/media/i2c/soc_camera/mt9t031.c
+++ b/drivers/media/i2c/soc_camera/mt9t031.c
@@ -773,7 +773,7 @@ static int mt9t031_probe(struct i2c_client *client,
return -EIO;
}
- mt9t031 = kzalloc(sizeof(struct mt9t031), GFP_KERNEL);
+ mt9t031 = devm_kzalloc(&client->dev, sizeof(struct mt9t031), GFP_KERNEL);
if (!mt9t031)
return -ENOMEM;
@@ -797,12 +797,9 @@ static int mt9t031_probe(struct i2c_client *client,
V4L2_CID_EXPOSURE, 1, 255, 1, 255);
mt9t031->subdev.ctrl_handler = &mt9t031->hdl;
- if (mt9t031->hdl.error) {
- int err = mt9t031->hdl.error;
+ if (mt9t031->hdl.error)
+ return mt9t031->hdl.error;
- kfree(mt9t031);
- return err;
- }
v4l2_ctrl_auto_cluster(2, &mt9t031->autoexposure,
V4L2_EXPOSURE_MANUAL, true);
@@ -816,10 +813,8 @@ static int mt9t031_probe(struct i2c_client *client,
mt9t031->yskip = 1;
ret = mt9t031_video_probe(client);
- if (ret) {
+ if (ret)
v4l2_ctrl_handler_free(&mt9t031->hdl);
- kfree(mt9t031);
- }
return ret;
}
@@ -830,7 +825,6 @@ static int mt9t031_remove(struct i2c_client *client)
v4l2_device_unregister_subdev(&mt9t031->subdev);
v4l2_ctrl_handler_free(&mt9t031->hdl);
- kfree(mt9t031);
return 0;
}