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mfd: pm8921: Use devm_*() functions 

Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Jingoo Han 2013-08-20 16:02:26 +09:00 committed by Lee Jones
parent 5cddd5de8c
commit b2cdcfacfe
1 changed files with 3 additions and 6 deletions
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9
drivers/mfd/pm8921-core.c
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@ -118,7 +118,7 @@ static int pm8921_probe(struct platform_device *pdev)
return -EINVAL;
}
pmic = kzalloc(sizeof(struct pm8921), GFP_KERNEL);
pmic = devm_kzalloc(&pdev->dev, sizeof(struct pm8921), GFP_KERNEL);
if (!pmic) {
pr_err("Cannot alloc pm8921 struct\n");
return -ENOMEM;
@ -128,7 +128,7 @@ static int pm8921_probe(struct platform_device *pdev)
rc = ssbi_read(pdev->dev.parent, REG_HWREV, &val, sizeof(val));
if (rc) {
pr_err("Failed to read hw rev reg %d:rc=%d\n", REG_HWREV, rc);
goto err_read_rev;
return rc;
}
pr_info("PMIC revision 1: %02X\n", val);
rev = val;
@ -138,7 +138,7 @@ static int pm8921_probe(struct platform_device *pdev)
if (rc) {
pr_err("Failed to read hw rev 2 reg %d:rc=%d\n",
REG_HWREV_2, rc);
goto err_read_rev;
return rc;
}
pr_info("PMIC revision 2: %02X\n", val);
rev |= val << BITS_PER_BYTE;
@ -160,8 +160,6 @@ static int pm8921_probe(struct platform_device *pdev)
err:
mfd_remove_devices(pmic->dev);
err_read_rev:
kfree(pmic);
return rc;
}
@ -179,7 +177,6 @@ static int pm8921_remove(struct platform_device *pdev)
pm8xxx_irq_exit(pmic->irq_chip);
pmic->irq_chip = NULL;
}
kfree(pmic);
return 0;
}