mfd: ab3100-otp: Convert to managed resources for allocating memory

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/ab3100-otp.c b/drivers/mfd/ab3100-otp.c
index d7ce016029faeff74ea4735997efa813b12abf99..c9af16cc7310bf2d8c0cc921d4544e87091cf312 100644 (file)
--- 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;
 }