From: Fabio Estevam fabio.estevam@nxp.com
regulator_set_voltage() may fail, so we better check its return value and propagate it in the case of error.
Signed-off-by: Fabio Estevam fabio.estevam@nxp.com --- drivers/gpu/drm/imx/imx-tve.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index baf7881..c93301c 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -633,7 +633,9 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
tve->dac_reg = devm_regulator_get(dev, "dac"); if (!IS_ERR(tve->dac_reg)) { - regulator_set_voltage(tve->dac_reg, 2750000, 2750000); + ret = regulator_set_voltage(tve->dac_reg, 2750000, 2750000); + if (ret) + return ret; ret = regulator_enable(tve->dac_reg); if (ret) return ret;