[PATCH 4/5] regulator: tps65910: use devm_* for memory allocation

From: Laxman Dewangan
Date: Sat May 19 2012 - 10:39:33 EST


use the devm_* apis for memory allocation.

Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
---
drivers/regulator/tps65910-regulator.c | 27 +++++++++------------------
1 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 72942c2..5a8ad4e 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -1191,25 +1191,25 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
return -ENODEV;
}

- pmic->desc = kcalloc(pmic->num_regulators,
+ pmic->desc = devm_kzalloc(&pdev->dev, pmic->num_regulators *
sizeof(struct regulator_desc), GFP_KERNEL);
if (!pmic->desc) {
- err = -ENOMEM;
- goto err_out;
+ dev_err(&pdev->dev, "Memory alloc fails for desc\n");
+ return -ENOMEM;
}

- pmic->info = kcalloc(pmic->num_regulators,
+ pmic->info = devm_kzalloc(&pdev->dev, pmic->num_regulators *
sizeof(struct tps_info *), GFP_KERNEL);
if (!pmic->info) {
- err = -ENOMEM;
- goto err_free_desc;
+ dev_err(&pdev->dev, "Memory alloc fails for info\n");
+ return -ENOMEM;
}

- pmic->rdev = kcalloc(pmic->num_regulators,
+ pmic->rdev = devm_kzalloc(&pdev->dev, pmic->num_regulators *
sizeof(struct regulator_dev *), GFP_KERNEL);
if (!pmic->rdev) {
- err = -ENOMEM;
- goto err_free_info;
+ dev_err(&pdev->dev, "Memory alloc fails for rdev\n");
+ return -ENOMEM;
}

for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS;
@@ -1286,12 +1286,6 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
err_unregister_regulator:
while (--i >= 0)
regulator_unregister(pmic->rdev[i]);
- kfree(pmic->rdev);
-err_free_info:
- kfree(pmic->info);
-err_free_desc:
- kfree(pmic->desc);
-err_out:
return err;
}

@@ -1303,9 +1297,6 @@ static int __devexit tps65910_remove(struct platform_device *pdev)
for (i = 0; i < pmic->num_regulators; i++)
regulator_unregister(pmic->rdev[i]);

- kfree(pmic->rdev);
- kfree(pmic->info);
- kfree(pmic->desc);
return 0;
}

--
1.7.1.1

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