@@ -116,18 +116,12 @@ static int stm32_dac_probe(struct platform_device *pdev)
priv->common.regmap = regmap;
priv->pclk = devm_clk_get(dev, "pclk");
- if (IS_ERR(priv->pclk)) {
- ret = PTR_ERR(priv->pclk);
- dev_err(dev, "pclk get failed\n");
- return ret;
- }
+ if (IS_ERR(priv->pclk))
+ return dev_err_probe(dev, PTR_ERR(priv->pclk), "pclk get failed\n");
priv->vref = devm_regulator_get(dev, "vref");
- if (IS_ERR(priv->vref)) {
- ret = PTR_ERR(priv->vref);
- dev_err(dev, "vref get failed, %d\n", ret);
- return ret;
- }
+ if (IS_ERR(priv->vref))
+ return dev_err_probe(dev, PTR_ERR(priv->vref), "vref get failed\n");
pm_runtime_get_noresume(dev);
pm_runtime_set_active(dev);
When possible use dev_err_probe help to properly deal with the PROBE_DEFER error, the benefit is that DEFER issue will be logged in the devices_deferred debugfs file. Using dev_err_probe() can reduce code size, and the error value gets printed. Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> --- drivers/iio/dac/stm32-dac-core.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-)