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ASoC: mediatek: mt2701: fix return value check in mt2701_afe_pcm_dev_probe()

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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>
This commit is contained in:
Wei Yongjun 2018-01-08 02:15:01 +00:00 committed by Mark Brown
parent 7f12a56367
commit 3e8052d90d
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
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@ -1440,9 +1440,9 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
}
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);