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@xxxxxxxxxx> --- sound/soc/amd/raven/acp3x-i2s.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c index d9b287b8396c..bf51cadf8682 100644 --- 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);