I2C drivers can use devm_kzalloc() too in their .probe() methods. Doing so
simplifies their clean up paths.
Signed-off-by: Lad, Prabhakar <prabhakar....@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.ha...@ti.com>
---
Changes for v2:
1: Fixed comments pointed out by Laurent.
drivers/media/i2c/tvp7002.c | 18 ++++++------------
1 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c
index fb6a5b5..537f6b4 100644
--- a/drivers/media/i2c/tvp7002.c
+++ b/drivers/media/i2c/tvp7002.c
@@ -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;
}
--
1.7.4.1
--
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