devm_add_action_or_reset() is introduced as a helper function which
internally calls devm_add_action(). If devm_add_action() fails
then it will execute the action mentioned and return the error code.
This reduce source code size (avoid writing the action twice)
and reduce the likelyhood of bugs.
Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx>
---
drivers/iio/adc/sc27xx_adc.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/adc/sc27xx_adc.c b/drivers/iio/adc/sc27xx_adc.c
index ec86f640e963..d7ca002cbb17 100644
--- a/drivers/iio/adc/sc27xx_adc.c
+++ b/drivers/iio/adc/sc27xx_adc.c
@@ -546,10 +546,9 @@ static int sc27xx_adc_probe(struct platform_device *pdev)
return -ENXIO;
}
- ret = devm_add_action(dev, sc27xx_adc_free_hwlock,
+ ret = devm_add_action_or_reset(dev, sc27xx_adc_free_hwlock,
sc27xx_data->hwlock);
if (ret) {
- sc27xx_adc_free_hwlock(sc27xx_data->hwlock);
dev_err(dev, "failed to add hwspinlock action\n");
return ret;
}
@@ -563,9 +562,8 @@ static int sc27xx_adc_probe(struct platform_device *pdev)
return ret;
}
- ret = devm_add_action(dev, sc27xx_adc_disable, sc27xx_data);
+ ret = devm_add_action_or_reset(dev, sc27xx_adc_disable, sc27xx_data);
if (ret) {
- sc27xx_adc_disable(sc27xx_data);
dev_err(dev, "failed to add ADC disable action\n");
return ret;
}
--
2.11.0
