In case of error, the function syscon_node_to_regmap() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Fixes:
dfa3cbb83e09 ("ASoC: mediatek: modify MT2701 AFE driver to adapt mfd device")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
}
afe->regmap = syscon_node_to_regmap(dev->parent->of_node);
- if (!afe->regmap) {
+ if (IS_ERR(afe->regmap)) {
dev_err(dev, "could not get regmap from parent\n");
- return -ENODEV;
+ return PTR_ERR(afe->regmap);
}
mutex_init(&afe->irq_alloc_lock);