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regulator: s2mps11: use scoped memory allocation to simplify probe

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Allocate the memory with scoped/cleanup.h to reduce error handling (less
error paths) and make the code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240822161231.106744-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2024-08-22 18:12:31 +02:00 committed by Mark Brown
parent 5a38089fe4
commit b8195520e8
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GPG Key ID: 24D68B725D5487D0
1 changed files with 7 additions and 10 deletions
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23
drivers/regulator/s2mps11.c
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@ -4,6 +4,7 @@
// http://www.samsung.com
#include <linux/bug.h>
#include <linux/cleanup.h>
#include <linux/err.h>
#include <linux/gpio/consumer.h>
#include <linux/slab.h>
@ -1120,7 +1121,6 @@ static const struct regulator_desc s2mpu02_regulators[] = {
static int s2mps11_pmic_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct of_regulator_match *rdata = NULL;
struct regulator_config config = { };
struct s2mps11_info *s2mps11;
unsigned int rdev_num = 0;
@ -1170,7 +1170,8 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
if (!s2mps11->ext_control_gpiod)
return -ENOMEM;
rdata = kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL);
struct of_regulator_match *rdata __free(kfree) =
kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL);
if (!rdata)
return -ENOMEM;
@ -1179,7 +1180,7 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num);
if (ret)
goto out;
return ret;
platform_set_drvdata(pdev, s2mps11);
@ -1201,10 +1202,9 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
regulator = devm_regulator_register(&pdev->dev,
&regulators[i], &config);
if (IS_ERR(regulator)) {
ret = PTR_ERR(regulator);
dev_err(&pdev->dev, "regulator init failed for %d\n",
i);
goto out;
return PTR_ERR(regulator);
}
if (config.ena_gpiod) {
@ -1214,15 +1214,12 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"failed to enable GPIO control over %s: %d\n",
regulator->desc->name, ret);
goto out;
}
}
}
out:
kfree(rdata);
return ret;
}
}
}
return 0;
}
static const struct platform_device_id s2mps11_pmic_id[] = {