ASoC: amd: fix an IS_ERR() vs NULL bug in probe

The devm_ioremap() function returns NULL on error, it doesn't return
error pointers.

Fixes: e550339ee652 ("ASoC: amd: add vangogh i2s controller driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210727081756.GA19121@kili
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/amd/vangogh/acp5x-i2s.c b/sound/soc/amd/vangogh/acp5x-i2s.c
index 86b37c9..2705e57 100644 (file)
--- a/sound/soc/amd/vangogh/acp5x-i2s.c
+++ b/sound/soc/amd/vangogh/acp5x-i2s.c
@@ -399,8 +399,8 @@ static int acp5x_dai_probe(struct platform_device *pdev)
        }
        adata->acp5x_base = devm_ioremap(&pdev->dev, res->start,
                                         resource_size(res));
-       if (IS_ERR(adata->acp5x_base))
-               return PTR_ERR(adata->acp5x_base);
+       if (!adata->acp5x_base)
+               return -ENOMEM;
 
        adata->master_mode = I2S_MASTER_MODE_ENABLE;
        dev_set_drvdata(&pdev->dev, adata);