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[media] tvp7002: use devm_kzalloc() instead of kzalloc()

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I2C drivers can use devm_kzalloc() too in their .probe() methods. Doing so
simplifies their clean up paths.

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Lad, Prabhakar 2013-01-03 09:46:43 -03:00 committed by Mauro Carvalho Chehab
parent d41d81983a
commit f3e8e4f1c0
1 changed files with 6 additions and 12 deletions
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18
drivers/media/i2c/tvp7002.c
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@ -1036,7 +1036,7 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
return -ENODEV;
}
device = kzalloc(sizeof(struct tvp7002), GFP_KERNEL);
device = devm_kzalloc(&c->dev, sizeof(struct tvp7002), GFP_KERNEL);
if (!device)
return -ENOMEM;
@ -1052,7 +1052,7 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
error = tvp7002_read(sd, TVP7002_CHIP_REV, &revision);
if (error < 0)
goto found_error;
return error;
/* Get revision number */
v4l2_info(sd, "Rev. %02x detected.\n", revision);
@ -1063,21 +1063,21 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
error = tvp7002_write_inittab(sd, tvp7002_init_default);
if (error < 0)
goto found_error;
return error;
/* Set polarity information after registers have been set */
polarity_a = 0x20 | device->pdata->hs_polarity << 5
| device->pdata->vs_polarity << 2;
error = tvp7002_write(sd, TVP7002_SYNC_CTL_1, polarity_a);
if (error < 0)
goto found_error;
return error;
polarity_b = 0x01 | device->pdata->fid_polarity << 2
| device->pdata->sog_polarity << 1
| device->pdata->clk_polarity;
error = tvp7002_write(sd, TVP7002_MISC_CTL_3, polarity_b);
if (error < 0)
goto found_error;
return error;
/* Set registers according to default video mode */
preset.preset = device->current_preset->preset;
@ -1091,16 +1091,11 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
int err = device->hdl.error;
v4l2_ctrl_handler_free(&device->hdl);
kfree(device);
return err;
}
v4l2_ctrl_handler_setup(&device->hdl);
found_error:
if (error < 0)
kfree(device);
return error;
return 0;
}
/*
@ -1120,7 +1115,6 @@ static int tvp7002_remove(struct i2c_client *c)
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(&device->hdl);
kfree(device);
return 0;
}