From: Zheyu Ma <zheyuma97@xxxxxxxxx> commit b2f5ad97645e1deb5ca9bcb7090084b92cae35d2 upstream. The driver should disable regulators when fails at regmap_update_bits(). Signed-off-by: Zheyu Ma <zheyuma97@xxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Cc: <Stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220510092431.1711284-1-zheyuma97@xxxxxxxxx Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/iio/gyro/mpu3050-core.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -874,6 +874,7 @@ static int mpu3050_power_up(struct mpu30 ret = regmap_update_bits(mpu3050->map, MPU3050_PWR_MGM, MPU3050_PWR_MGM_SLEEP, 0); if (ret) { + regulator_bulk_disable(ARRAY_SIZE(mpu3050->regs), mpu3050->regs); dev_err(mpu3050->dev, "error setting power mode\n"); return ret; }