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-rw-r--r--drivers/regulator/lp8788-buck.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c
index 1161949..ef845c7 100644
--- a/drivers/regulator/lp8788-buck.c
+++ b/drivers/regulator/lp8788-buck.c
@@ -474,7 +474,7 @@ static int lp8788_init_dvs(struct platform_device *pdev,
u8 default_dvs_mode[] = { LP8788_BUCK1_DVS_I2C, LP8788_BUCK2_DVS_I2C };
/* no dvs for buck3, 4 */
- if (id == BUCK3 || id == BUCK4)
+ if (id > BUCK2)
return 0;
/* no dvs platform data, then dvs will be selected by I2C registers */
@@ -505,6 +505,9 @@ static int lp8788_buck_probe(struct platform_device *pdev)
struct regulator_dev *rdev;
int ret;
+ if (id >= LP8788_NUM_BUCKS)
+ return -EINVAL;
+
buck = devm_kzalloc(&pdev->dev, sizeof(struct lp8788_buck), GFP_KERNEL);
if (!buck)
return -ENOMEM;
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