From: Kryštof Černý <cleverline1mc@xxxxxxxxx>
Refactored the driver to devm_kzalloc() from kzalloc(), so the future
driver edits are easier and less error-prone.
Signed-off-by: Kryštof Černý <cleverline1mc@xxxxxxxxx>
---
drivers/w1/masters/ds2482.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c
index a2ecbb863c57f38bffc8e3cd463db1940e603179..ea09d2ee21ccac27783a19547e988694ca171b91 100644
--- a/drivers/w1/masters/ds2482.c
+++ b/drivers/w1/masters/ds2482.c
@@ -451,11 +451,9 @@ static int ds2482_probe(struct i2c_client *client)
I2C_FUNC_SMBUS_BYTE))
return -ENODEV;
- data = kzalloc(sizeof(struct ds2482_data), GFP_KERNEL);
- if (!data) {
- err = -ENOMEM;
- goto exit;
- }
+ data = devm_kzalloc(&client->dev, sizeof(struct ds2482_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
data->client = client;
i2c_set_clientdata(client, data);
@@ -463,7 +461,7 @@ static int ds2482_probe(struct i2c_client *client)
/* Reset the device (sets the read_ptr to status) */
if (ds2482_send_cmd(data, DS2482_CMD_RESET) < 0) {
dev_warn(&client->dev, "DS2482 reset failed.\n");
- goto exit_free;
+ return err;
}
/* Sleep at least 525ns to allow the reset to complete */
@@ -474,7 +472,7 @@ static int ds2482_probe(struct i2c_client *client)
if (temp1 != (DS2482_REG_STS_LL | DS2482_REG_STS_RST)) {
dev_warn(&client->dev, "DS2482 reset status "
"0x%02X - not a DS2482\n", temp1);
- goto exit_free;
+ return err;
}
/* Detect the 8-port version */
@@ -516,9 +514,6 @@ static int ds2482_probe(struct i2c_client *client)
if (data->w1_ch[idx].pdev != NULL)
w1_remove_master_device(&data->w1_ch[idx].w1_bm);
}
-exit_free:
- kfree(data);
-exit:
return err;
}
@@ -532,9 +527,6 @@ static void ds2482_remove(struct i2c_client *client)
if (data->w1_ch[idx].pdev != NULL)
w1_remove_master_device(&data->w1_ch[idx].w1_bm);
}
-
- /* Free the memory */
- kfree(data);
}
/*
--
2.39.5
