ASoC: amd: acp3x: Fix return value check in acp3x_dai_probe()

In case of error, the function devm_ioremap() returns NULL pointer not
ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.

Fixes: c9fe7db6e884 ("ASoC: amd: Refactoring of DAI from DMA driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200108035954.51317-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c
index d9b287b..bf51cad 100644 (file)
--- a/sound/soc/amd/raven/acp3x-i2s.c
+++ b/sound/soc/amd/raven/acp3x-i2s.c
@@ -321,8 +321,8 @@ static int acp3x_dai_probe(struct platform_device *pdev)
        }
        adata->acp3x_base = devm_ioremap(&pdev->dev, res->start,
                                                resource_size(res));
-       if (IS_ERR(adata->acp3x_base))
-               return PTR_ERR(adata->acp3x_base);
+       if (!adata->acp3x_base)
+               return -ENOMEM;
 
        adata->i2s_irq = res->start;
        dev_set_drvdata(&pdev->dev, adata);