[PATCH 03/16] mfd: ab3100-otp: Convert to managed resources for allocating memory

From: Lee Jones
Date: Thu May 23 2013 - 11:30:10 EST


Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/mfd/ab3100-otp.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/mfd/ab3100-otp.c b/drivers/mfd/ab3100-otp.c
index d7ce016..c9af16c 100644
--- a/drivers/mfd/ab3100-otp.c
+++ b/drivers/mfd/ab3100-otp.c
@@ -187,7 +187,7 @@ static int __init ab3100_otp_probe(struct platform_device *pdev)
int err = 0;
int i;

- otp = kzalloc(sizeof(struct ab3100_otp), GFP_KERNEL);
+ otp = devm_kzalloc(&pdev->dev, sizeof(struct ab3100_otp), GFP_KERNEL);
if (!otp) {
dev_err(&pdev->dev, "could not allocate AB3100 OTP device\n");
return -ENOMEM;
@@ -199,7 +199,7 @@ static int __init ab3100_otp_probe(struct platform_device *pdev)

err = ab3100_otp_read(otp);
if (err)
- goto err_otp_read;
+ return err;

dev_info(&pdev->dev, "AB3100 OTP readout registered\n");

@@ -208,22 +208,19 @@ static int __init ab3100_otp_probe(struct platform_device *pdev)
err = device_create_file(&pdev->dev,
&ab3100_otp_attrs[i]);
if (err)
- goto err_create_file;
+ goto err;
}

/* debugfs entries */
err = ab3100_otp_init_debugfs(&pdev->dev, otp);
if (err)
- goto err_init_debugfs;
+ goto err;

return 0;

-err_init_debugfs:
-err_create_file:
+err:
while (--i >= 0)
device_remove_file(&pdev->dev, &ab3100_otp_attrs[i]);
-err_otp_read:
- kfree(otp);
return err;
}

@@ -236,7 +233,6 @@ static int __exit ab3100_otp_remove(struct platform_device *pdev)
device_remove_file(&pdev->dev,
&ab3100_otp_attrs[i]);
ab3100_otp_exit_debugfs(otp);
- kfree(otp);
return 0;
}

--
1.7.10.4

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