diff options
| author |   Axel Lin <axel.lin@ingics.com> | 2021-06-20 21:27:15 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2021-06-21 13:02:05 +0100 |
| commit | 61eb1b24f9e4f4e0725aa5f8164a932c933f3339 (patch) | |
| tree | ba148032408a92b640c67e7891b030b8097b10d3 /drivers/regulator/hi655x-regulator.c | |
| parent | regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL (diff) | |
| download | linux-dev-61eb1b24f9e4f4e0725aa5f8164a932c933f3339.tar.xz linux-dev-61eb1b24f9e4f4e0725aa5f8164a932c933f3339.zip | |
regulator: hi655x: Fix pass wrong pointer to config.driver_data
Current code sets config.driver_data to a zero initialized regulator
which is obviously wrong. Fix it.
Fixes: 4618119b9be5 ("regulator: hi655x: enable regulator for hi655x PMIC")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20210620132715.60215-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/hi655x-regulator.c')
| -rw-r--r-- | drivers/regulator/hi655x-regulator.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/regulator/hi655x-regulator.c b/drivers/regulator/hi655x-regulator.c index 68cdb173196d..556bb73f3329 100644 --- a/drivers/regulator/hi655x-regulator.c +++ b/drivers/regulator/hi655x-regulator.c @@ -72,7 +72,7 @@ enum hi655x_regulator_id { static int hi655x_is_enabled(struct regulator_dev *rdev) { unsigned int value = 0; - struct hi655x_regulator *regulator = rdev_get_drvdata(rdev); + const struct hi655x_regulator *regulator = rdev_get_drvdata(rdev); regmap_read(rdev->regmap, regulator->status_reg, &value); return (value & rdev->desc->enable_mask); @@ -80,7 +80,7 @@ static int hi655x_is_enabled(struct regulator_dev *rdev) static int hi655x_disable(struct regulator_dev *rdev) { - struct hi655x_regulator *regulator = rdev_get_drvdata(rdev); + const struct hi655x_regulator *regulator = rdev_get_drvdata(rdev); return regmap_write(rdev->regmap, regulator->disable_reg, rdev->desc->enable_mask); @@ -169,7 +169,6 @@ static const struct hi655x_regulator regulators[] = { static int hi655x_regulator_probe(struct platform_device *pdev) { unsigned int i; - struct hi655x_regulator *regulator; struct hi655x_pmic *pmic; struct regulator_config config = { }; struct regulator_dev *rdev; @@ -180,22 +179,17 @@ static int hi655x_regulator_probe(struct platform_device *pdev) return -ENODEV; } - regulator = devm_kzalloc(&pdev->dev, sizeof(*regulator), GFP_KERNEL); - if (!regulator) - return -ENOMEM; - - platform_set_drvdata(pdev, regulator); - config.dev = pdev->dev.parent; config.regmap = pmic->regmap; - config.driver_data = regulator; for (i = 0; i < ARRAY_SIZE(regulators); i++) { + config.driver_data = (void *) ®ulators[i]; + rdev = devm_regulator_register(&pdev->dev, ®ulators[i].rdesc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", - regulator->rdesc.name); + regulators[i].rdesc.name); return PTR_ERR(rdev); } } |